76723980 has 24 divisors (see below), whose sum is σ = 214827312. Its totient is φ = 20459712.

The previous prime is 76723967. The next prime is 76723987. The reversal of 76723980 is 8932767.

76723980 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

76723980 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (76723987) 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, 639307 + ... + 639426.

It is an arithmetic number, because the mean of its divisors is an integer number (8951138).

Almost surely, 2^76723980 is an apocalyptic number.

It is an amenable number.

76723980 is an abundant number, since it is smaller than the sum of its proper divisors (138103332).

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

76723980 is a wasteful number, since it uses less digits than its factorization.

76723980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278745 (or 1278743 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 76723980 is about 8759.2225682420. Note that the first 3 decimals coincide. The cubic root of 76723980 is about 424.9231325804.

The spelling of 76723980 in words is "seventy-six million, seven hundred twenty-three thousand, nine hundred eighty".