75404004 has 48 divisors (see below), whose sum is σ = 191640960. Its totient is φ = 22936320.

The previous prime is 75404003. The next prime is 75404009. The reversal of 75404004 is 40040457.

It is not an unprimeable number, because it can be changed into a prime (75404003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11169 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (3992520).

Almost surely, 2^75404004 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 75404004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95820480).

75404004 is an abundant number, since it is smaller than the sum of its proper divisors (116236956).

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

75404004 is a wasteful number, since it uses less digits than its factorization.

75404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540 (or 5538 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 75404004 is about 8683.5478924228. The cubic root of 75404004 is about 422.4721996577.

The spelling of 75404004 in words is "seventy-five million, four hundred four thousand, four".