76215131 has 8 divisors (see below), whose sum is σ = 81532080. Its totient is φ = 70990848.

The previous prime is 76215119. The next prime is 76215133. The reversal of 76215131 is 13151267.

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

It is a cyclic number.

It is not a de Polignac number, because 76215131 - 2¹⁰ = 76214107 is a prime.

It is a super-2 number, since 2×76215131² = 11617492386694322, 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 76215131.

It is not an unprimeable number, because it can be changed into a prime (76215133) 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, 21461 + ... + 24758.

It is an arithmetic number, because the mean of its divisors is an integer number (10191510).

Almost surely, 2^76215131 is an apocalyptic number.

76215131 is a deficient number, since it is larger than the sum of its proper divisors (5316949).

76215131 is a wasteful number, since it uses less digits than its factorization.

76215131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46333.

The product of its digits is 1260, while the sum is 26.

The square root of 76215131 is about 8730.1277768427. The cubic root of 76215131 is about 423.9816560089.

Adding to 76215131 its reverse (13151267), we get a palindrome (89366398).

The spelling of 76215131 in words is "seventy-six million, two hundred fifteen thousand, one hundred thirty-one".