15714642 has 16 divisors (see below), whose sum is σ = 31491360. Its totient is φ = 5227872.

The previous prime is 15714631. The next prime is 15714661. The reversal of 15714642 is 24641751.

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, 1113 + ... + 5715.

It is an arithmetic number, because the mean of its divisors is an integer number (1968210).

Almost surely, 2^15714642 is an apocalyptic number.

15714642 is an abundant number, since it is smaller than the sum of its proper divisors (15776718).

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

15714642 is a wasteful number, since it uses less digits than its factorization.

15714642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177.

The product of its digits is 6720, while the sum is 30.

The square root of 15714642 is about 3964.1697743664. The cubic root of 15714642 is about 250.4771792869.

The spelling of 15714642 in words is "fifteen million, seven hundred fourteen thousand, six hundred forty-two".