57742412 has 24 divisors (see below), whose sum is σ = 124369056. Its totient is φ = 22843008.

The previous prime is 57742381. The next prime is 57742453. The reversal of 57742412 is 21424775.

It is a super-2 number, since 2×57742412² = 6668372287155488, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 78953 + ... + 79680.

It is an arithmetic number, because the mean of its divisors is an integer number (5182044).

Almost surely, 2^57742412 is an apocalyptic number.

57742412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57742412 is an abundant number, since it is smaller than the sum of its proper divisors (66626644).

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

57742412 is a wasteful number, since it uses less digits than its factorization.

57742412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158657 (or 158655 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 57742412 is about 7598.8428066384. The cubic root of 57742412 is about 386.5137726204.

The spelling of 57742412 in words is "fifty-seven million, seven hundred forty-two thousand, four hundred twelve".