76990090 has 16 divisors (see below), whose sum is σ = 145876320. Its totient is φ = 29175120.

The previous prime is 76990061. The next prime is 76990091. The reversal of 76990090 is 9009967.

It is not an unprimeable number, because it can be changed into a prime (76990091) 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, 202416 + ... + 202795.

It is an arithmetic number, because the mean of its divisors is an integer number (9117270).

Almost surely, 2^76990090 is an apocalyptic number.

76990090 is a deficient number, since it is larger than the sum of its proper divisors (68886230).

76990090 is a wasteful number, since it uses less digits than its factorization.

76990090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405237.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 76990090 is about 8774.3996945660. The cubic root of 76990090 is about 425.4138345078.

The spelling of 76990090 in words is "seventy-six million, nine hundred ninety thousand, ninety".