76819090 has 48 divisors (see below), whose sum is σ = 154728000. Its totient is φ = 27378432.

The previous prime is 76819087. The next prime is 76819091. The reversal of 76819090 is 9091867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76819091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54211 + ... + 55609.

It is an arithmetic number, because the mean of its divisors is an integer number (3223500).

Almost surely, 2^76819090 is an apocalyptic number.

76819090 is an abundant number, since it is smaller than the sum of its proper divisors (77908910).

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

76819090 is a wasteful number, since it uses less digits than its factorization.

76819090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 76819090 is about 8764.6500215354. The cubic root of 76819090 is about 425.0986437694.

The spelling of 76819090 in words is "seventy-six million, eight hundred nineteen thousand, ninety".