77312376 has 96 divisors (see below), whose sum is σ = 220521600. Its totient is φ = 24433920.

The previous prime is 77312363. The next prime is 77312377. The reversal of 77312376 is 67321377.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 77312376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77312377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127065 + ... + 127671.

It is an arithmetic number, because the mean of its divisors is an integer number (2297100).

Almost surely, 2^77312376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77312376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110260800).

77312376 is an abundant number, since it is smaller than the sum of its proper divisors (143209224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77312376 is a wasteful number, since it uses less digits than its factorization.

77312376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 702 counting only the distinct ones).

The product of its digits is 37044, while the sum is 36.

The square root of 77312376 is about 8792.7456462700. The cubic root of 77312376 is about 426.0066123420.

Subtracting from 77312376 its reverse (67321377), we obtain a palindrome (9990999).

The spelling of 77312376 in words is "seventy-seven million, three hundred twelve thousand, three hundred seventy-six".