76722361 has 16 divisors (see below), whose sum is σ = 83160000. Its totient is φ = 70557696.

The previous prime is 76722353. The next prime is 76722383. The reversal of 76722361 is 16322767.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 76722361 - 2³ = 76722353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76722311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99385 + ... + 100153.

It is an arithmetic number, because the mean of its divisors is an integer number (5197500).

Almost surely, 2^76722361 is an apocalyptic number.

It is an amenable number.

76722361 is a deficient number, since it is larger than the sum of its proper divisors (6437639).

76722361 is a wasteful number, since it uses less digits than its factorization.

76722361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its digits is 21168, while the sum is 34.

The square root of 76722361 is about 8759.1301508769. The cubic root of 76722361 is about 424.9201437044.

The spelling of 76722361 in words is "seventy-six million, seven hundred twenty-two thousand, three hundred sixty-one".