76725251 has 8 divisors (see below), whose sum is σ = 79151184. Its totient is φ = 74337120.

The previous prime is 76725247. The next prime is 76725281. The reversal of 76725251 is 15252767.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76725251 - 2² = 76725247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76725221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300 + ... + 13473.

It is an arithmetic number, because the mean of its divisors is an integer number (9893898).

Almost surely, 2^76725251 is an apocalyptic number.

76725251 is a deficient number, since it is larger than the sum of its proper divisors (2425933).

76725251 is a wasteful number, since it uses less digits than its factorization.

76725251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18901.

The product of its digits is 29400, while the sum is 35.

The square root of 76725251 is about 8759.2951200425. The cubic root of 76725251 is about 424.9254789755.

The spelling of 76725251 in words is "seventy-six million, seven hundred twenty-five thousand, two hundred fifty-one".