77364628 has 12 divisors (see below), whose sum is σ = 147696192. Its totient is φ = 35165720.

The previous prime is 77364607. The next prime is 77364647. The reversal of 77364628 is 82646377.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879100 + ... + 879187.

It is an arithmetic number, because the mean of its divisors is an integer number (12308016).

Almost surely, 2^77364628 is an apocalyptic number.

It is an amenable number.

77364628 is a deficient number, since it is larger than the sum of its proper divisors (70331564).

77364628 is a wasteful number, since it uses less digits than its factorization.

77364628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758302 (or 1758300 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 77364628 is about 8795.7164574581. The cubic root of 77364628 is about 426.1025637095.

The spelling of 77364628 in words is "seventy-seven million, three hundred sixty-four thousand, six hundred twenty-eight".