64462538 has 24 divisors (see below), whose sum is σ = 119100132. Its totient is φ = 26001024.

The previous prime is 64462511. The next prime is 64462571. The reversal of 64462538 is 83526446.

It can be written as a sum of positive squares in 2 ways, for example, as 57047809 + 7414729 = 7553^2 + 2723^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17681 + ... + 21012.

Almost surely, 2^64462538 is an apocalyptic number.

64462538 is a deficient number, since it is larger than the sum of its proper divisors (54637594).

64462538 is a wasteful number, since it uses less digits than its factorization.

64462538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38726 (or 38719 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 64462538 is about 8028.8565811079. The cubic root of 64462538 is about 400.9613086966.

The spelling of 64462538 in words is "sixty-four million, four hundred sixty-two thousand, five hundred thirty-eight".