75425243 has 6 divisors (see below), whose sum is σ = 80123316. Its totient is φ = 70988192.

The previous prime is 75425227. The next prime is 75425291. The reversal of 75425243 is 34252457.

It is not a de Polignac number, because 75425243 - 2⁴ = 75425227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75425543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130205 + ... + 130782.

It is an arithmetic number, because the mean of its divisors is an integer number (13353886).

Almost surely, 2^75425243 is an apocalyptic number.

75425243 is a deficient number, since it is larger than the sum of its proper divisors (4698073).

75425243 is a wasteful number, since it uses less digits than its factorization.

75425243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261021 (or 261004 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 75425243 is about 8684.7707511482. The cubic root of 75425243 is about 422.5118617633.

The spelling of 75425243 in words is "seventy-five million, four hundred twenty-five thousand, two hundred forty-three".