64604380 has 24 divisors (see below), whose sum is σ = 135832032. Its totient is φ = 25810752.

The previous prime is 64604363. The next prime is 64604387. The reversal of 64604380 is 8340646.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64604387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22929 + ... + 25591.

It is an arithmetic number, because the mean of its divisors is an integer number (5659668).

Almost surely, 2^64604380 is an apocalyptic number.

It is an amenable number.

64604380 is an abundant number, since it is smaller than the sum of its proper divisors (71227652).

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

64604380 is a wasteful number, since it uses less digits than its factorization.

64604380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 64604380 is about 8037.6849900951. The cubic root of 64604380 is about 401.2551821744.

The spelling of 64604380 in words is "sixty-four million, six hundred four thousand, three hundred eighty".