64242356 has 12 divisors (see below), whose sum is σ = 112483140. Its totient is φ = 32104320.

The previous prime is 64242329. The next prime is 64242361. The reversal of 64242356 is 65324246.

It can be written as a sum of positive squares in 2 ways, for example, as 38068900 + 26173456 = 6170^2 + 5116^2 .

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, 8876 + ... + 14396.

It is an arithmetic number, because the mean of its divisors is an integer number (9373595).

Almost surely, 2^64242356 is an apocalyptic number.

It is an amenable number.

64242356 is a deficient number, since it is larger than the sum of its proper divisors (48240784).

64242356 is a wasteful number, since it uses less digits than its factorization.

64242356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8434 (or 8432 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 64242356 is about 8015.1329371383. The cubic root of 64242356 is about 400.5042723397.

The spelling of 64242356 in words is "sixty-four million, two hundred forty-two thousand, three hundred fifty-six".