57272670 has 288 divisors, whose sum is σ = 198682848. Its totient is φ = 11757312.

The previous prime is 57272659. The next prime is 57272681. The reversal of 57272670 is 7627275.

It is an interprime number because it is at equal distance from previous prime (57272659) and next prime (57272681).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1547892 + ... + 1547928.

It is an arithmetic number, because the mean of its divisors is an integer number (689871).

Almost surely, 2^57272670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57272670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99341424).

57272670 is an abundant number, since it is smaller than the sum of its proper divisors (141410178).

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

57272670 is a wasteful number, since it uses less digits than its factorization.

57272670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 57272670 is about 7567.8709027044. The cubic root of 57272670 is about 385.4628043266.

The spelling of 57272670 in words is "fifty-seven million, two hundred seventy-two thousand, six hundred seventy".