76121612 has 12 divisors (see below), whose sum is σ = 152243280. Its totient is φ = 32623536.

The previous prime is 76121609. The next prime is 76121627. The reversal of 76121612 is 21612167.

76121612 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359287 + ... + 1359342.

It is an arithmetic number, because the mean of its divisors is an integer number (12686940).

Almost surely, 2^76121612 is an apocalyptic number.

It is an amenable number.

76121612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

76121612 is a wasteful number, since it uses less digits than its factorization.

76121612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718640 (or 2718638 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 76121612 is about 8724.7700256225. The cubic root of 76121612 is about 423.8081709080.

Adding to 76121612 its reverse (21612167), we get a palindrome (97733779).

The spelling of 76121612 in words is "seventy-six million, one hundred twenty-one thousand, six hundred twelve".