76121808 has 40 divisors (see below), whose sum is σ = 224741568. Its totient is φ = 21748992.

The previous prime is 76121807. The next prime is 76121813. The reversal of 76121808 is 80812167.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76121803) 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, 112941 + ... + 113612.

Almost surely, 2^76121808 is an apocalyptic number.

It is an amenable number.

76121808 is an abundant number, since it is smaller than the sum of its proper divisors (148619760).

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

76121808 is a wasteful number, since it uses less digits than its factorization.

76121808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226571 (or 226565 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 76121808 is about 8724.7812580030. The cubic root of 76121808 is about 423.8085346520.

The spelling of 76121808 in words is "seventy-six million, one hundred twenty-one thousand, eight hundred eight".