3157680372 has 192 divisors, whose sum is σ = 9434062848. Its totient is φ = 804988800.

The previous prime is 3157680371. The next prime is 3157680389. The reversal of 3157680372 is 2730867513.

3157680372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157680371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6819813 + ... + 6820275.

It is an arithmetic number, because the mean of its divisors is an integer number (49135744).

Almost surely, 2^3157680372 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 3157680372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4717031424).

3157680372 is an abundant number, since it is smaller than the sum of its proper divisors (6276382476).

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

3157680372 is a wasteful number, since it uses less digits than its factorization.

3157680372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 3157680372 is about 56193.2413373708. The cubic root of 3157680372 is about 1467.0876319400.

The spelling of 3157680372 in words is "three billion, one hundred fifty-seven million, six hundred eighty thousand, three hundred seventy-two".