77064676 has 18 divisors (see below), whose sum is σ = 146036562. Its totient is φ = 35568000.

The previous prime is 77064671. The next prime is 77064677. The reversal of 77064676 is 67646077.

It can be written as a sum of positive squares in 3 ways, for example, as 921600 + 76143076 = 960^2 + 8726^2 .

It is not an unprimeable number, because it can be changed into a prime (77064671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56325 + ... + 57676.

Almost surely, 2^77064676 is an apocalyptic number.

It is an amenable number.

77064676 is a deficient number, since it is larger than the sum of its proper divisors (68971886).

77064676 is a wasteful number, since it uses less digits than its factorization.

77064676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114031 (or 114016 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 77064676 is about 8778.6488709824. The cubic root of 77064676 is about 425.5511667947.

The spelling of 77064676 in words is "seventy-seven million, sixty-four thousand, six hundred seventy-six".