76990 has 8 divisors (see below), whose sum is σ = 138600. Its totient is φ = 30792.

The previous prime is 76963. The next prime is 76991. The reversal of 76990 is 9967.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76991) 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, 3840 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (17325).

2⁷⁶⁹⁹⁰ is an apocalyptic number.

76990 is a deficient number, since it is larger than the sum of its proper divisors (61610).

76990 is a wasteful number, since it uses less digits than its factorization.

76990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 76990 is about 277.4707191759. The cubic root of 76990 is about 42.5413668741.

The spelling of 76990 in words is "seventy-six thousand, nine hundred ninety".