76369731 has 16 divisors (see below), whose sum is σ = 105751200. Its totient is φ = 48964608.

The previous prime is 76369717. The next prime is 76369747. The reversal of 76369731 is 13796367.

It is not a de Polignac number, because 76369731 - 2⁷ = 76369603 is a prime.

It is a super-2 number, since 2×76369731² = 11664671626024722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76369781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22515 + ... + 25683.

It is an arithmetic number, because the mean of its divisors is an integer number (6609450).

Almost surely, 2^76369731 is an apocalyptic number.

76369731 is a deficient number, since it is larger than the sum of its proper divisors (29381469).

76369731 is a wasteful number, since it uses less digits than its factorization.

76369731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478.

The product of its digits is 142884, while the sum is 42.

The square root of 76369731 is about 8738.9776862056. The cubic root of 76369731 is about 424.2681402133.

The spelling of 76369731 in words is "seventy-six million, three hundred sixty-nine thousand, seven hundred thirty-one".