76673564 has 24 divisors (see below), whose sum is σ = 151426800. Its totient is φ = 33649280.

The previous prime is 76673561. The next prime is 76673581. The reversal of 76673564 is 46537667.

76673564 = 402² + 403² + ... + 665².

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76673561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28769 + ... + 31320.

It is an arithmetic number, because the mean of its divisors is an integer number (6309450).

Almost surely, 2^76673564 is an apocalyptic number.

It is an amenable number.

76673564 is a deficient number, since it is larger than the sum of its proper divisors (74753236).

76673564 is a wasteful number, since it uses less digits than its factorization.

76673564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60133 (or 60131 counting only the distinct ones).

The product of its digits is 635040, while the sum is 44.

The square root of 76673564 is about 8756.3442143397. The cubic root of 76673564 is about 424.8300386143.

The spelling of 76673564 in words is "seventy-six million, six hundred seventy-three thousand, five hundred sixty-four".