75304425 has 72 divisors (see below), whose sum is σ = 149728512. Its totient is φ = 33264000.

The previous prime is 75304403. The next prime is 75304447. The reversal of 75304425 is 52440357.

It is an interprime number because it is at equal distance from previous prime (75304403) and next prime (75304447).

It is not a de Polignac number, because 75304425 - 2⁵ = 75304393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75304392 and 75304401.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 113595 + ... + 114255.

Almost surely, 2^75304425 is an apocalyptic number.

75304425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75304425 is a deficient number, since it is larger than the sum of its proper divisors (74424087).

75304425 is a wasteful number, since it uses less digits than its factorization.

75304425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 75304425 is about 8677.8122242879. The cubic root of 75304425 is about 422.2861445874.

The spelling of 75304425 in words is "seventy-five million, three hundred four thousand, four hundred twenty-five".