76395981 has 8 divisors (see below), whose sum is σ = 102486880. Its totient is φ = 50617872.

The previous prime is 76395931. The next prime is 76396007. The reversal of 76395981 is 18959367.

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

It is not a de Polignac number, because 76395981 - 2¹⁵ = 76363213 is a prime.

It is a super-2 number, since 2×76395981² = 11672691825904722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76395981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76395931) 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, 77626 + ... + 78603.

It is an arithmetic number, because the mean of its divisors is an integer number (12810860).

Almost surely, 2^76395981 is an apocalyptic number.

It is an amenable number.

76395981 is a deficient number, since it is larger than the sum of its proper divisors (26090899).

76395981 is a wasteful number, since it uses less digits than its factorization.

76395981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156395.

The product of its digits is 408240, while the sum is 48.

The square root of 76395981 is about 8740.4794490920. The cubic root of 76395981 is about 424.3167448230.

The spelling of 76395981 in words is "seventy-six million, three hundred ninety-five thousand, nine hundred eighty-one".