64312604 has 12 divisors (see below), whose sum is σ = 116428200. Its totient is φ = 31047408.

The previous prime is 64312603. The next prime is 64312607. The reversal of 64312604 is 40621346.

It is a super-2 number, since 2×64312604² = 8272222066521632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64312603) 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, 277094 + ... + 277325.

It is an arithmetic number, because the mean of its divisors is an integer number (9702350).

Almost surely, 2^64312604 is an apocalyptic number.

It is an amenable number.

64312604 is a deficient number, since it is larger than the sum of its proper divisors (52115596).

64312604 is a wasteful number, since it uses less digits than its factorization.

64312604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554452 (or 554450 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 64312604 is about 8019.5139503588. The cubic root of 64312604 is about 400.6502008578.

The spelling of 64312604 in words is "sixty-four million, three hundred twelve thousand, six hundred four".