57270969 has 72 divisors (see below), whose sum is σ = 103920960. Its totient is φ = 30862944.

The previous prime is 57270949. The next prime is 57270991. The reversal of 57270969 is 96907275.

57270969 is a `hidden beast` number, since 572 + 70 + 9 + 6 + 9 = 666.

It is not a de Polignac number, because 57270969 - 2⁵ = 57270937 is a prime.

It is a super-2 number, since 2×57270969² = 6559927780397922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57270949) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1331862 + ... + 1331904.

Almost surely, 2^57270969 is an apocalyptic number.

It is an amenable number.

57270969 is a deficient number, since it is larger than the sum of its proper divisors (46649991).

57270969 is an frugal number, since it uses more digits than its factorization.

57270969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 57270969 is about 7567.7585188747. The cubic root of 57270969 is about 385.4589882032.

The spelling of 57270969 in words is "fifty-seven million, two hundred seventy thousand, nine hundred sixty-nine".