57872747 has 2 divisors, whose sum is σ = 57872748. Its totient is φ = 57872746.

The previous prime is 57872741. The next prime is 57872783. The reversal of 57872747 is 74727875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57872747 - 2⁸ = 57872491 is a prime.

It is not a weakly prime, because it can be changed into another prime (57872741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28936373 + 28936374.

It is an arithmetic number, because the mean of its divisors is an integer number (28936374).

Almost surely, 2^57872747 is an apocalyptic number.

57872747 is a deficient number, since it is larger than the sum of its proper divisors (1).

57872747 is an equidigital number, since it uses as much as digits as its factorization.

57872747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768320, while the sum is 47.

The square root of 57872747 is about 7607.4139495626. The cubic root of 57872747 is about 386.8043644373.

The spelling of 57872747 in words is "fifty-seven million, eight hundred seventy-two thousand, seven hundred forty-seven".