75996990 has 48 divisors (see below), whose sum is σ = 198671616. Its totient is φ = 20155200.

The previous prime is 75996989. The next prime is 75997043. The reversal of 75996990 is 9969957.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14980 + ... + 19400.

It is an arithmetic number, because the mean of its divisors is an integer number (4138992).

Almost surely, 2^75996990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75996990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99335808).

75996990 is an abundant number, since it is smaller than the sum of its proper divisors (122674626).

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

75996990 is a wasteful number, since it uses less digits than its factorization.

75996990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625 (or 4622 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The square root of 75996990 is about 8717.6252500323. The cubic root of 75996990 is about 423.5767663214.

The spelling of 75996990 in words is "seventy-five million, nine hundred ninety-six thousand, nine hundred ninety".