64738492 has 36 divisors (see below), whose sum is σ = 140213136. Its totient is φ = 25608960.

The previous prime is 64738489. The next prime is 64738519. The reversal of 64738492 is 29483746.

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, 2109 + ... + 11572.

Almost surely, 2^64738492 is an apocalyptic number.

It is an amenable number.

64738492 is an abundant number, since it is smaller than the sum of its proper divisors (75474644).

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

64738492 is a wasteful number, since it uses less digits than its factorization.

64738492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13718 (or 13703 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 64738492 is about 8046.0233656136. The cubic root of 64738492 is about 401.5326449979.

The spelling of 64738492 in words is "sixty-four million, seven hundred thirty-eight thousand, four hundred ninety-two".