76406131 has 2 divisors, whose sum is σ = 76406132. Its totient is φ = 76406130.

The previous prime is 76406123. The next prime is 76406137. The reversal of 76406131 is 13160467.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76406131 - 2³ = 76406123 is a prime.

It is a super-3 number, since 3×76406131³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 76406131.

It is not a weakly prime, because it can be changed into another prime (76406137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38203065 + 38203066.

It is an arithmetic number, because the mean of its divisors is an integer number (38203066).

Almost surely, 2^76406131 is an apocalyptic number.

76406131 is a deficient number, since it is larger than the sum of its proper divisors (1).

76406131 is an equidigital number, since it uses as much as digits as its factorization.

76406131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 76406131 is about 8741.0600615715. The cubic root of 76406131 is about 424.3355356206.

Adding to 76406131 its reverse (13160467), we get a palindrome (89566598).

The spelling of 76406131 in words is "seventy-six million, four hundred six thousand, one hundred thirty-one".