3773520 has 80 divisors (see below), whose sum is σ = 13005120. Its totient is φ = 1005696.

The previous prime is 3773513. The next prime is 3773527. The reversal of 3773520 is 253773.

3773520 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3773513) and next prime (3773527).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3773527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287 + ... + 3033.

It is an arithmetic number, because the mean of its divisors is an integer number (162564).

Almost surely, 2^3773520 is an apocalyptic number.

3773520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3773520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6502560).

3773520 is an abundant number, since it is smaller than the sum of its proper divisors (9231600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3773520 is a wasteful number, since it uses less digits than its factorization.

3773520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 3773520 is about 1942.5550185259. Note that the first 3 decimals coincide. The cubic root of 3773520 is about 155.6857579572.

The spelling of 3773520 in words is "three million, seven hundred seventy-three thousand, five hundred twenty".