76842913 has 4 divisors (see below), whose sum is σ = 87820480. Its totient is φ = 65865348.

The previous prime is 76842911. The next prime is 76842947. The reversal of 76842913 is 31924867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76842913 - 2¹ = 76842911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76842911) 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 3 ways as a sum of consecutive naturals, for example, 5488773 + ... + 5488786.

It is an arithmetic number, because the mean of its divisors is an integer number (21955120).

Almost surely, 2^76842913 is an apocalyptic number.

It is an amenable number.

76842913 is a deficient number, since it is larger than the sum of its proper divisors (10977567).

76842913 is a wasteful number, since it uses less digits than its factorization.

76842913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10977566.

The product of its digits is 72576, while the sum is 40.

The square root of 76842913 is about 8766.0089550490. The cubic root of 76842913 is about 425.1425828402.

It can be divided in two parts, 768 and 42913, that added together give a square (43681 = 209²).

The spelling of 76842913 in words is "seventy-six million, eight hundred forty-two thousand, nine hundred thirteen".