76115047 has 4 divisors (see below), whose sum is σ = 76433760. Its totient is φ = 75796336.

The previous prime is 76115041. The next prime is 76115051. The reversal of 76115047 is 74051167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74051167 = 17 ⋅4355951.

It is a cyclic number.

It is not a de Polignac number, because 76115047 - 2¹¹ = 76112999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76115041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158998 + ... + 159475.

It is an arithmetic number, because the mean of its divisors is an integer number (19108440).

Almost surely, 2^76115047 is an apocalyptic number.

76115047 is a deficient number, since it is larger than the sum of its proper divisors (318713).

76115047 is a wasteful number, since it uses less digits than its factorization.

76115047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318712.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 76115047 is about 8724.3937898286. The cubic root of 76115047 is about 423.7959869804.

The spelling of 76115047 in words is "seventy-six million, one hundred fifteen thousand, forty-seven".