76813738 has 8 divisors (see below), whose sum is σ = 117900288. Its totient is φ = 37513644.

The previous prime is 76813727. The next prime is 76813747. The reversal of 76813738 is 83731867.

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

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 76813694 and 76813703.

It is an unprimeable number.

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, 446506 + ... + 446677.

It is an arithmetic number, because the mean of its divisors is an integer number (14737536).

Almost surely, 2^76813738 is an apocalyptic number.

76813738 is a deficient number, since it is larger than the sum of its proper divisors (41086550).

76813738 is a wasteful number, since it uses less digits than its factorization.

76813738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893228.

The product of its digits is 169344, while the sum is 43.

The square root of 76813738 is about 8764.3446988352. The cubic root of 76813738 is about 425.0887713068.

The spelling of 76813738 in words is "seventy-six million, eight hundred thirteen thousand, seven hundred thirty-eight".