64076456 has 8 divisors (see below), whose sum is σ = 120143370. Its totient is φ = 32038224.

The previous prime is 64076449. The next prime is 64076461. The reversal of 64076456 is 65467046.

It can be written as a sum of positive squares in only one way, i.e., 45292900 + 18783556 = 6730^2 + 4334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4004771 + ... + 4004786.

Almost surely, 2^64076456 is an apocalyptic number.

It is an amenable number.

64076456 is a deficient number, since it is larger than the sum of its proper divisors (56066914).

64076456 is a wasteful number, since it uses less digits than its factorization.

64076456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009563 (or 8009559 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 64076456 is about 8004.7770737229. Note that the first 3 decimals coincide. The cubic root of 64076456 is about 400.1592199474.

The spelling of 64076456 in words is "sixty-four million, seventy-six thousand, four hundred fifty-six".