76444964 has 6 divisors (see below), whose sum is σ = 133778694. Its totient is φ = 38222480.

The previous prime is 76444933. The next prime is 76444967. The reversal of 76444964 is 46944467.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 10510564 = 8120^2 + 3242^2 .

It is a super-2 number, since 2×76444964² = 11687665041922592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76444967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9555617 + ... + 9555624.

It is an arithmetic number, because the mean of its divisors is an integer number (22296449).

Almost surely, 2^76444964 is an apocalyptic number.

It is an amenable number.

76444964 is a deficient number, since it is larger than the sum of its proper divisors (57333730).

76444964 is a wasteful number, since it uses less digits than its factorization.

76444964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19111245 (or 19111243 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 76444964 is about 8743.2810774903. The cubic root of 76444964 is about 424.4074121867.

The spelling of 76444964 in words is "seventy-six million, four hundred forty-four thousand, nine hundred sixty-four".