3743280 has 80 divisors (see below), whose sum is σ = 12900960. Its totient is φ = 997632.

The previous prime is 3743269. The next prime is 3743297. The reversal of 3743280 is 823473.

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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1294 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (161262).

Almost surely, 2^3743280 is an apocalyptic number.

3743280 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 3743280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6450480).

3743280 is an abundant number, since it is smaller than the sum of its proper divisors (9157680).

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

3743280 is a wasteful number, since it uses less digits than its factorization.

3743280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3743280 is about 1934.7557985441. The cubic root of 3743280 is about 155.2687671308.

The spelling of 3743280 in words is "three million, seven hundred forty-three thousand, two hundred eighty".