75240408 has 16 divisors (see below), whose sum is σ = 188101080. Its totient is φ = 25080128.

The previous prime is 75240359. The next prime is 75240409. The reversal of 75240408 is 80404257.

It is a super-2 number, since 2×75240408² = 11322237992012928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75240409) 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 3 ways as a sum of consecutive naturals, for example, 1567485 + ... + 1567532.

Almost surely, 2^75240408 is an apocalyptic number.

It is an amenable number.

75240408 is an abundant number, since it is smaller than the sum of its proper divisors (112860672).

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

75240408 is a wasteful number, since it uses less digits than its factorization.

75240408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135026 (or 3135022 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 75240408 is about 8674.1228951405. The cubic root of 75240408 is about 422.1664475213.

The spelling of 75240408 in words is "seventy-five million, two hundred forty thousand, four hundred eight".