76255257 has 16 divisors (see below), whose sum is σ = 113028608. Its totient is φ = 45411840.

The previous prime is 76255243. The next prime is 76255339. The reversal of 76255257 is 75255267.

It is not a de Polignac number, because 76255257 - 2⁷ = 76255129 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 not an unprimeable number, because it can be changed into a prime (76255237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30328 + ... + 32745.

It is an arithmetic number, because the mean of its divisors is an integer number (7064288).

Almost surely, 2^76255257 is an apocalyptic number.

It is an amenable number.

76255257 is a deficient number, since it is larger than the sum of its proper divisors (36773351).

76255257 is a wasteful number, since it uses less digits than its factorization.

76255257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63120.

The product of its digits is 147000, while the sum is 39.

The square root of 76255257 is about 8732.4256080427. The cubic root of 76255257 is about 424.0560493870.

The spelling of 76255257 in words is "seventy-six million, two hundred fifty-five thousand, two hundred fifty-seven".