77117372 has 12 divisors (see below), whose sum is σ = 142894080. Its totient is φ = 36290496.

The previous prime is 77117363. The next prime is 77117387. The reversal of 77117372 is 27371177.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 566972 + ... + 567107.

It is an arithmetic number, because the mean of its divisors is an integer number (11907840).

Almost surely, 2^77117372 is an apocalyptic number.

It is an amenable number.

77117372 is a deficient number, since it is larger than the sum of its proper divisors (65776708).

77117372 is a wasteful number, since it uses less digits than its factorization.

77117372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134100 (or 1134098 counting only the distinct ones).

The product of its digits is 14406, while the sum is 35.

The square root of 77117372 is about 8781.6497311154. The cubic root of 77117372 is about 425.6481404715.

The spelling of 77117372 in words is "seventy-seven million, one hundred seventeen thousand, three hundred seventy-two".