64476064 has 12 divisors (see below), whose sum is σ = 126937314. Its totient is φ = 32238016.

The previous prime is 64476059. The next prime is 64476079. The reversal of 64476064 is 46067446.

It can be written as a sum of positive squares in only one way, i.e., 63680400 + 795664 = 7980^2 + 892^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007407 + ... + 1007470.

Almost surely, 2^64476064 is an apocalyptic number.

It is an amenable number.

64476064 is a deficient number, since it is larger than the sum of its proper divisors (62461250).

64476064 is a wasteful number, since it uses less digits than its factorization.

64476064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014887 (or 2014879 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 64476064 is about 8029.6988735568. The cubic root of 64476064 is about 400.9893509443.

The spelling of 64476064 in words is "sixty-four million, four hundred seventy-six thousand, sixty-four".