76715397 has 32 divisors (see below), whose sum is σ = 126888960. Its totient is φ = 45405360.

The previous prime is 76715383. The next prime is 76715413. The reversal of 76715397 is 79351767.

It is not a de Polignac number, because 76715397 - 2⁶ = 76715333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76715347) 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 31 ways as a sum of consecutive naturals, for example, 9768 + ... + 15774.

It is an arithmetic number, because the mean of its divisors is an integer number (3965280).

Almost surely, 2^76715397 is an apocalyptic number.

It is an amenable number.

76715397 is a deficient number, since it is larger than the sum of its proper divisors (50173563).

76715397 is a wasteful number, since it uses less digits than its factorization.

76715397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070 (or 6064 counting only the distinct ones).

The product of its digits is 277830, while the sum is 45.

The square root of 76715397 is about 8758.7326137975. The cubic root of 76715397 is about 424.9072868120.

The spelling of 76715397 in words is "seventy-six million, seven hundred fifteen thousand, three hundred ninety-seven".