76720227 has 8 divisors (see below), whose sum is σ = 102351120. Its totient is φ = 51118080.

The previous prime is 76720219. The next prime is 76720253. The reversal of 76720227 is 72202767.

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

It is not a de Polignac number, because 76720227 - 2³ = 76720219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76720327) 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 7 ways as a sum of consecutive naturals, for example, 99 + ... + 12387.

It is an arithmetic number, because the mean of its divisors is an integer number (12793890).

Almost surely, 2^76720227 is an apocalyptic number.

76720227 is a deficient number, since it is larger than the sum of its proper divisors (25630893).

76720227 is a wasteful number, since it uses less digits than its factorization.

76720227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14373.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 76720227 is about 8759.0083342808. The cubic root of 76720227 is about 424.9162040098.

The spelling of 76720227 in words is "seventy-six million, seven hundred twenty thousand, two hundred twenty-seven".