76725815 has 8 divisors (see below), whose sum is σ = 96074208. Its totient is φ = 58711840.

The previous prime is 76725809. The next prime is 76725823. The reversal of 76725815 is 51852767.

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

It is not a de Polignac number, because 76725815 - 2¹⁴ = 76709431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333476 + ... + 333705.

It is an arithmetic number, because the mean of its divisors is an integer number (12009276).

Almost surely, 2^76725815 is an apocalyptic number.

76725815 is a deficient number, since it is larger than the sum of its proper divisors (19348393).

76725815 is a wasteful number, since it uses less digits than its factorization.

76725815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667209.

The product of its digits is 117600, while the sum is 41.

The square root of 76725815 is about 8759.3273143547. The cubic root of 76725815 is about 424.9265201685.

The spelling of 76725815 in words is "seventy-six million, seven hundred twenty-five thousand, eight hundred fifteen".