57671642 has 16 divisors (see below), whose sum is σ = 99532800. Its totient is φ = 24549648.

The previous prime is 57671629. The next prime is 57671651. The reversal of 57671642 is 24617675.

It is a junction number, because it is equal to n+sod(n) for n = 57671596 and 57671605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11738 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (6220800).

Almost surely, 2^57671642 is an apocalyptic number.

57671642 is a deficient number, since it is larger than the sum of its proper divisors (41861158).

57671642 is a wasteful number, since it uses less digits than its factorization.

57671642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27805.

The product of its digits is 70560, while the sum is 38.

The square root of 57671642 is about 7594.1847488720. The cubic root of 57671642 is about 386.3558022981.

The spelling of 57671642 in words is "fifty-seven million, six hundred seventy-one thousand, six hundred forty-two".