64612004 has 12 divisors (see below), whose sum is σ = 113159004. Its totient is φ = 32280864.

The previous prime is 64612001. The next prime is 64612043. The reversal of 64612004 is 40021646.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38068900 + 26543104 = 6170^2 + 5152^2 .

It is a super-2 number, since 2×64612004² = 8349422121792032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64612001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (9429917).

Almost surely, 2^64612004 is an apocalyptic number.

It is an amenable number.

64612004 is a deficient number, since it is larger than the sum of its proper divisors (48547000).

64612004 is a wasteful number, since it uses less digits than its factorization.

64612004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12574 (or 12572 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 64612004 is about 8038.1592420155. The cubic root of 64612004 is about 401.2709656718.

The spelling of 64612004 in words is "sixty-four million, six hundred twelve thousand, four".