75904994 has 24 divisors (see below), whose sum is σ = 126690480. Its totient is φ = 34077560.

The previous prime is 75904993. The next prime is 75904999. The reversal of 75904994 is 49940957.

It is a super-2 number, since 2×75904994² = 11523136228280072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75904993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18197 + ... + 21975.

It is an arithmetic number, because the mean of its divisors is an integer number (5278770).

Almost surely, 2^75904994 is an apocalyptic number.

75904994 is a deficient number, since it is larger than the sum of its proper divisors (50785486).

75904994 is a wasteful number, since it uses less digits than its factorization.

75904994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886 (or 3875 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 75904994 is about 8712.3472153031. The cubic root of 75904994 is about 423.4057810302.

The spelling of 75904994 in words is "seventy-five million, nine hundred four thousand, nine hundred ninety-four".