75676731 has 16 divisors (see below), whose sum is σ = 108917760. Its totient is φ = 46461600.

The previous prime is 75676723. The next prime is 75676759. The reversal of 75676731 is 13767657.

It is not a de Polignac number, because 75676731 - 2³ = 75676723 is a prime.

It is a super-2 number, since 2×75676731² = 11453935229692722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75676331) 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, 16656 + ... + 20706.

It is an arithmetic number, because the mean of its divisors is an integer number (6807360).

Almost surely, 2^75676731 is an apocalyptic number.

75676731 is a deficient number, since it is larger than the sum of its proper divisors (33241029).

75676731 is a wasteful number, since it uses less digits than its factorization.

75676731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546.

The product of its digits is 185220, while the sum is 42.

The square root of 75676731 is about 8699.2373803685. The cubic root of 75676731 is about 422.9809301241.

The spelling of 75676731 in words is "seventy-five million, six hundred seventy-six thousand, seven hundred thirty-one".