64357242 has 16 divisors (see below), whose sum is σ = 128966880. Its totient is φ = 21410352.

The previous prime is 64357231. The next prime is 64357253. The reversal of 64357242 is 24275346.

It is an interprime number because it is at equal distance from previous prime (64357231) and next prime (64357253).

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, 7117 + ... + 13392.

It is an arithmetic number, because the mean of its divisors is an integer number (8060430).

Almost surely, 2^64357242 is an apocalyptic number.

64357242 is an abundant number, since it is smaller than the sum of its proper divisors (64609638).

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

64357242 is a wasteful number, since it uses less digits than its factorization.

64357242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037.

The product of its digits is 40320, while the sum is 33.

The square root of 64357242 is about 8022.2965539800. The cubic root of 64357242 is about 400.7428736594.

The spelling of 64357242 in words is "sixty-four million, three hundred fifty-seven thousand, two hundred forty-two".