76676564 has 6 divisors (see below), whose sum is σ = 134183994. Its totient is φ = 38338280.

The previous prime is 76676563. The next prime is 76676597. The reversal of 76676564 is 46567667.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 37112464 = 6290^2 + 6092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76676563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9584567 + ... + 9584574.

It is an arithmetic number, because the mean of its divisors is an integer number (22363999).

Almost surely, 2^76676564 is an apocalyptic number.

It is an amenable number.

76676564 is a deficient number, since it is larger than the sum of its proper divisors (57507430).

76676564 is a wasteful number, since it uses less digits than its factorization.

76676564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19169145 (or 19169143 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 47.

The square root of 76676564 is about 8756.5155170307. The cubic root of 76676564 is about 424.8355793050.

The spelling of 76676564 in words is "seventy-six million, six hundred seventy-six thousand, five hundred sixty-four".