76720854 has 16 divisors (see below), whose sum is σ = 175362048. Its totient is φ = 21920232.

The previous prime is 76720817. The next prime is 76720867. The reversal of 76720854 is 45802767.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 913302 + ... + 913385.

It is an arithmetic number, because the mean of its divisors is an integer number (10960128).

Almost surely, 2^76720854 is an apocalyptic number.

76720854 is an abundant number, since it is smaller than the sum of its proper divisors (98641194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76720854 is a wasteful number, since it uses less digits than its factorization.

76720854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826699.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 76720854 is about 8759.0441259306. The cubic root of 76720854 is about 424.9173615565.

The spelling of 76720854 in words is "seventy-six million, seven hundred twenty thousand, eight hundred fifty-four".