64673024 has 36 divisors (see below), whose sum is σ = 139030836. Its totient is φ = 29847552.

The previous prime is 64672991. The next prime is 64673039. The reversal of 64673024 is 42037646.

It can be written as a sum of positive squares in 2 ways, for example, as 7398400 + 57274624 = 2720^2 + 7568^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 6389 + ... + 13044.

Almost surely, 2^64673024 is an apocalyptic number.

64673024 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64673024 is an abundant number, since it is smaller than the sum of its proper divisors (74357812).

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

64673024 is a wasteful number, since it uses less digits than its factorization.

64673024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19462 (or 19448 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 64673024 is about 8041.9539914128. The cubic root of 64673024 is about 401.3972469031.

The spelling of 64673024 in words is "sixty-four million, six hundred seventy-three thousand, twenty-four".