76992990 has 16 divisors (see below), whose sum is σ = 184783248. Its totient is φ = 20531456.

The previous prime is 76992973. The next prime is 76992991. The reversal of 76992990 is 9929967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76992991) 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, 1283187 + ... + 1283246.

It is an arithmetic number, because the mean of its divisors is an integer number (11548953).

Almost surely, 2^76992990 is an apocalyptic number.

76992990 is an abundant number, since it is smaller than the sum of its proper divisors (107790258).

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

76992990 is a wasteful number, since it uses less digits than its factorization.

76992990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566443.

The product of its (nonzero) digits is 551124, while the sum is 51.

The square root of 76992990 is about 8774.5649464803. The cubic root of 76992990 is about 425.4191758213.

The spelling of 76992990 in words is "seventy-six million, nine hundred ninety-two thousand, nine hundred ninety".