75899904 has 88 divisors (see below), whose sum is σ = 209088768. Its totient is φ = 24453120.

The previous prime is 75899891. The next prime is 75899911. The reversal of 75899904 is 40999857.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94834 + ... + 95630.

Almost surely, 2^75899904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75899904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104544384).

75899904 is an abundant number, since it is smaller than the sum of its proper divisors (133188864).

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

75899904 is a wasteful number, since it uses less digits than its factorization.

75899904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 75899904 is about 8712.0550962445. The cubic root of 75899904 is about 423.3963166393.

The spelling of 75899904 in words is "seventy-five million, eight hundred ninety-nine thousand, nine hundred four".