77265716 has 24 divisors (see below), whose sum is σ = 147873600. Its totient is φ = 35033600.

The previous prime is 77265649. The next prime is 77265719. The reversal of 77265716 is 61756277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77265719) 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, 17801 + ... + 21711.

It is an arithmetic number, because the mean of its divisors is an integer number (6161400).

Almost surely, 2^77265716 is an apocalyptic number.

It is an amenable number.

77265716 is a deficient number, since it is larger than the sum of its proper divisors (70607884).

77265716 is a wasteful number, since it uses less digits than its factorization.

77265716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375 (or 4373 counting only the distinct ones).

The product of its digits is 123480, while the sum is 41.

The square root of 77265716 is about 8790.0919221587. The cubic root of 77265716 is about 425.9208931262.

The spelling of 77265716 in words is "seventy-seven million, two hundred sixty-five thousand, seven hundred sixteen".