76146731 has 4 divisors (see below), whose sum is σ = 76166112. Its totient is φ = 76127352.

The previous prime is 76146713. The next prime is 76146751. The reversal of 76146731 is 13764167.

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 76146731 - 2⁶ = 76146667 is a prime.

It is a super-2 number, since 2×76146731² = 11596649283972722, 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 = 76146691 and 76146700.

It is not an unprimeable number, because it can be changed into a prime (76146751) 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, 1475 + ... + 12428.

It is an arithmetic number, because the mean of its divisors is an integer number (19041528).

Almost surely, 2^76146731 is an apocalyptic number.

76146731 is a deficient number, since it is larger than the sum of its proper divisors (19381).

76146731 is a wasteful number, since it uses less digits than its factorization.

76146731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19380.

The product of its digits is 21168, while the sum is 35.

The square root of 76146731 is about 8726.2094290706. The cubic root of 76146731 is about 423.8547825794.

The spelling of 76146731 in words is "seventy-six million, one hundred forty-six thousand, seven hundred thirty-one".