64364992 has 28 divisors (see below), whose sum is σ = 135239760. Its totient is φ = 30288896.

The previous prime is 64364987. The next prime is 64365001. The reversal of 64364992 is 29946346.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28492 + ... + 30667.

Almost surely, 2^64364992 is an apocalyptic number.

It is an amenable number.

64364992 is an abundant number, since it is smaller than the sum of its proper divisors (70874768).

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

64364992 is a wasteful number, since it uses less digits than its factorization.

64364992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59188 (or 59178 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 64364992 is about 8022.7795682045. The cubic root of 64364992 is about 400.7589590422.

It can be divided in two parts, 64364 and 992, that added together give a palindrome (65356).

The spelling of 64364992 in words is "sixty-four million, three hundred sixty-four thousand, nine hundred ninety-two".