76121418 has 16 divisors (see below), whose sum is σ = 153266400. Its totient is φ = 25203216.

The previous prime is 76121417. The next prime is 76121449. The reversal of 76121418 is 81412167.

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

It is not an unprimeable number, because it can be changed into a prime (76121411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41680 + ... + 43467.

It is an arithmetic number, because the mean of its divisors is an integer number (9579150).

Almost surely, 2^76121418 is an apocalyptic number.

76121418 is an abundant number, since it is smaller than the sum of its proper divisors (77144982).

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

76121418 is a wasteful number, since it uses less digits than its factorization.

76121418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85301.

The product of its digits is 2688, while the sum is 30.

The square root of 76121418 is about 8724.7589078438. The cubic root of 76121418 is about 423.8078108751.

The spelling of 76121418 in words is "seventy-six million, one hundred twenty-one thousand, four hundred eighteen".