76988020 has 12 divisors (see below), whose sum is σ = 161674884. Its totient is φ = 30795200.

The previous prime is 76987993. The next prime is 76988029. The reversal of 76988020 is 2088967.

It can be written as a sum of positive squares in 2 ways, for example, as 20106256 + 56881764 = 4484^2 + 7542^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76988029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924681 + ... + 1924720.

It is an arithmetic number, because the mean of its divisors is an integer number (13472907).

Almost surely, 2^76988020 is an apocalyptic number.

It is an amenable number.

76988020 is an abundant number, since it is smaller than the sum of its proper divisors (84686864).

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

76988020 is a wasteful number, since it uses less digits than its factorization.

76988020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849410 (or 3849408 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 76988020 is about 8774.2817369857. The cubic root of 76988020 is about 425.4100218330.

The spelling of 76988020 in words is "seventy-six million, nine hundred eighty-eight thousand, twenty".