3772352520 has 128 divisors (see below), whose sum is σ = 12621888000. Its totient is φ = 1002170880.

The previous prime is 3772352497. The next prime is 3772352531. The reversal of 3772352520 is 252532773.

3772352520 is a `hidden beast` number, since 37 + 72 + 35 + 2 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286236 + ... + 299124.

It is an arithmetic number, because the mean of its divisors is an integer number (98608500).

Almost surely, 2^3772352520 is an apocalyptic number.

3772352520 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 3772352520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6310944000).

3772352520 is an abundant number, since it is smaller than the sum of its proper divisors (8849535480).

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

3772352520 is a wasteful number, since it uses less digits than its factorization.

3772352520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13180 (or 13170 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 3772352520 is about 61419.4799717484. The cubic root of 3772352520 is about 1556.6970055749.

The spelling of 3772352520 in words is "three billion, seven hundred seventy-two million, three hundred fifty-two thousand, five hundred twenty".