64504706 has 16 divisors (see below), whose sum is σ = 111287616. Its totient is φ = 27467856.

The previous prime is 64504703. The next prime is 64504717. The reversal of 64504706 is 60740546.

It is a super-2 number, since 2×64504706² = 8321714192292872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64504703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12476 + ... + 16871.

It is an arithmetic number, because the mean of its divisors is an integer number (6955476).

Almost surely, 2^64504706 is an apocalyptic number.

64504706 is a deficient number, since it is larger than the sum of its proper divisors (46782910).

64504706 is a wasteful number, since it uses less digits than its factorization.

64504706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29513.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 64504706 is about 8031.4821795233. The cubic root of 64504706 is about 401.0487189021.

The spelling of 64504706 in words is "sixty-four million, five hundred four thousand, seven hundred six".