76915 has 4 divisors (see below), whose sum is σ = 92304. Its totient is φ = 61528.

The previous prime is 76913. The next prime is 76919. The reversal of 76915 is 51967.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51967 = 157 ⋅331.

It is a cyclic number.

It is not a de Polignac number, because 76915 - 2¹ = 76913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76913) 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, 7687 + ... + 7696.

It is an arithmetic number, because the mean of its divisors is an integer number (23076).

2⁷⁶⁹¹⁵ is an apocalyptic number.

76915 is a deficient number, since it is larger than the sum of its proper divisors (15389).

76915 is a wasteful number, since it uses less digits than its factorization.

76915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15388.

The product of its digits is 1890, while the sum is 28.

The square root of 76915 is about 277.3355368502. The cubic root of 76915 is about 42.5275484599.

It can be divided in two parts, 769 and 15, that added together give a square (784 = 28²).

The spelling of 76915 in words is "seventy-six thousand, nine hundred fifteen".