3772520 has 32 divisors (see below), whose sum is σ = 8721000. Its totient is φ = 1467648.

The previous prime is 3772493. The next prime is 3772537. The reversal of 3772520 is 252773.

3772520 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 4 ways, for example, as 3771364 + 1156 = 1942^2 + 34^2 .

It is a d-powerful number, because it can be written as 3¹³ + 7 + 7⁴ + 2⁹ + 5⁷ + 2²¹ + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 3772520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 2754.

Almost surely, 2^3772520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3772520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4360500).

3772520 is an abundant number, since it is smaller than the sum of its proper divisors (4948480).

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

3772520 is a wasteful number, since it uses less digits than its factorization.

3772520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 3772520 is about 1942.2976085039. The cubic root of 3772520 is about 155.6720042637.

The spelling of 3772520 in words is "three million, seven hundred seventy-two thousand, five hundred twenty".