76982690 has 8 divisors (see below), whose sum is σ = 138568860. Its totient is φ = 30793072.

The previous prime is 76982657. The next prime is 76982693. The reversal of 76982690 is 9628967.

It can be written as a sum of positive squares in 2 ways, for example, as 76965529 + 17161 = 8773^2 + 131^2 .

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

It is a super-2 number, since 2×76982690² = 11852669119272200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76982693) 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, 3849125 + ... + 3849144.

Almost surely, 2^76982690 is an apocalyptic number.

76982690 is a deficient number, since it is larger than the sum of its proper divisors (61586170).

76982690 is a wasteful number, since it uses less digits than its factorization.

76982690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698276.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 76982690 is about 8773.9780031637. The cubic root of 76982690 is about 425.4002043413.

The spelling of 76982690 in words is "seventy-six million, nine hundred eighty-two thousand, six hundred ninety".