42657716 has 12 divisors (see below), whose sum is σ = 74712960. Its totient is φ = 21311160.

The previous prime is 42657691. The next prime is 42657731. The reversal of 42657716 is 61775624.

It is a self number, because there is not a number n which added to its sum of digits gives 42657716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (6226080).

Almost surely, 2^42657716 is an apocalyptic number.

It is an amenable number.

42657716 is a deficient number, since it is larger than the sum of its proper divisors (32055244).

42657716 is a wasteful number, since it uses less digits than its factorization.

42657716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854 (or 8852 counting only the distinct ones).

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

The square root of 42657716 is about 6531.2874687920. The cubic root of 42657716 is about 349.4077494121.

The spelling of 42657716 in words is "forty-two million, six hundred fifty-seven thousand, seven hundred sixteen".