76939 has 4 divisors (see below), whose sum is σ = 78624. Its totient is φ = 75256.

The previous prime is 76919. The next prime is 76943. The reversal of 76939 is 93967.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76939 - 2⁵ = 76907 is a prime.

It is a Duffinian number.

76939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (76919) 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, 772 + ... + 865.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2⁷⁶⁹³⁹ is an apocalyptic number.

76939 is a deficient number, since it is larger than the sum of its proper divisors (1685).

76939 is a wasteful number, since it uses less digits than its factorization.

76939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its digits is 10206, while the sum is 34.

The square root of 76939 is about 277.3788023624. The cubic root of 76939 is about 42.5319713294.

It can be divided in two parts, 769 and 39, that added together give a palindrome (808).

The spelling of 76939 in words is "seventy-six thousand, nine hundred thirty-nine".