75404825 has 12 divisors (see below), whose sum is σ = 98423760. Its totient is φ = 57148560.

The previous prime is 75404821. The next prime is 75404827. The reversal of 75404825 is 52840457.

It is not a de Polignac number, because 75404825 - 2² = 75404821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75404821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78899 + ... + 79848.

It is an arithmetic number, because the mean of its divisors is an integer number (8201980).

Almost surely, 2^75404825 is an apocalyptic number.

It is an amenable number.

75404825 is a deficient number, since it is larger than the sum of its proper divisors (23018935).

75404825 is a wasteful number, since it uses less digits than its factorization.

75404825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158776 (or 158771 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 75404825 is about 8683.5951655982. The cubic root of 75404825 is about 422.4737329468.

The spelling of 75404825 in words is "seventy-five million, four hundred four thousand, eight hundred twenty-five".