76730251 has 8 divisors (see below), whose sum is σ = 83679680. Its totient is φ = 69930432.

The previous prime is 76730191. The next prime is 76730257. The reversal of 76730251 is 15203767.

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

It is not a de Polignac number, because 76730251 - 2⁷ = 76730123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76730257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36330 + ... + 38383.

It is an arithmetic number, because the mean of its divisors is an integer number (10459960).

Almost surely, 2^76730251 is an apocalyptic number.

76730251 is a deficient number, since it is larger than the sum of its proper divisors (6949429).

76730251 is a wasteful number, since it uses less digits than its factorization.

76730251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74805.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 76730251 is about 8759.5805264864. The cubic root of 76730251 is about 424.9347092320.

The spelling of 76730251 in words is "seventy-six million, seven hundred thirty thousand, two hundred fifty-one".