76938780 has 48 divisors (see below), whose sum is σ = 218655360. Its totient is φ = 20209728.

The previous prime is 76938767. The next prime is 76938781. The reversal of 76938780 is 8783967.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76938781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5550 + ... + 13589.

It is an arithmetic number, because the mean of its divisors is an integer number (4555320).

Almost surely, 2^76938780 is an apocalyptic number.

It is an amenable number.

76938780 is an abundant number, since it is smaller than the sum of its proper divisors (141716580).

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

76938780 is a wasteful number, since it uses less digits than its factorization.

76938780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19218 (or 19216 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 76938780 is about 8771.4753605081. The cubic root of 76938780 is about 425.3193079060.

The spelling of 76938780 in words is "seventy-six million, nine hundred thirty-eight thousand, seven hundred eighty".