76047139 has 8 divisors (see below), whose sum is σ = 91485440. Its totient is φ = 61752456.

The previous prime is 76047121. The next prime is 76047149. The reversal of 76047139 is 93174067.

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

It is a cyclic number.

It is not a de Polignac number, because 76047139 - 2²³ = 67658531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76047098 and 76047107.

It is not an unprimeable number, because it can be changed into a prime (76047109) 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, 285759 + ... + 286024.

It is an arithmetic number, because the mean of its divisors is an integer number (11435680).

Almost surely, 2^76047139 is an apocalyptic number.

76047139 is a deficient number, since it is larger than the sum of its proper divisors (15438301).

76047139 is a wasteful number, since it uses less digits than its factorization.

76047139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571809.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 76047139 is about 8720.5010750530. The cubic root of 76047139 is about 423.6699159781.

The spelling of 76047139 in words is "seventy-six million, forty-seven thousand, one hundred thirty-nine".