76725129 has 16 divisors (see below), whose sum is σ = 111978944. Its totient is φ = 46440000.

The previous prime is 76725113. The next prime is 76725137. The reversal of 76725129 is 92152767.

It is not a de Polignac number, because 76725129 - 2⁴ = 76725113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76725169) 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, 13747 + ... + 18504.

It is an arithmetic number, because the mean of its divisors is an integer number (6998684).

Almost surely, 2^76725129 is an apocalyptic number.

It is an amenable number.

76725129 is a deficient number, since it is larger than the sum of its proper divisors (35253815).

76725129 is a wasteful number, since it uses less digits than its factorization.

76725129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32328.

The product of its digits is 52920, while the sum is 39.

The square root of 76725129 is about 8759.2881560090. The cubic root of 76725129 is about 424.9252537522.

The spelling of 76725129 in words is "seventy-six million, seven hundred twenty-five thousand, one hundred twenty-nine".