76256531 has 4 divisors (see below), whose sum is σ = 82122432. Its totient is φ = 70390632.

The previous prime is 76256507. The next prime is 76256539. The reversal of 76256531 is 13565267.

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

It is not a de Polignac number, because 76256531 - 2¹⁰ = 76255507 is a prime.

It is a super-2 number, since 2×76256531² = 11630117040307922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76256491 and 76256500.

It is not an unprimeable number, because it can be changed into a prime (76256539) 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, 2932931 + ... + 2932956.

It is an arithmetic number, because the mean of its divisors is an integer number (20530608).

Almost surely, 2^76256531 is an apocalyptic number.

76256531 is a deficient number, since it is larger than the sum of its proper divisors (5865901).

76256531 is a wasteful number, since it uses less digits than its factorization.

76256531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865900.

The product of its digits is 37800, while the sum is 35.

The square root of 76256531 is about 8732.4985542512. The cubic root of 76256531 is about 424.0584109483.

The spelling of 76256531 in words is "seventy-six million, two hundred fifty-six thousand, five hundred thirty-one".