75243925 has 12 divisors (see below), whose sum is σ = 97359840. Its totient is φ = 57577520.

The previous prime is 75243923. The next prime is 75243929. The reversal of 75243925 is 52934257.

It is not a de Polignac number, because 75243925 - 2¹ = 75243923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75243923) 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, 64855 + ... + 66004.

It is an arithmetic number, because the mean of its divisors is an integer number (8113320).

Almost surely, 2^75243925 is an apocalyptic number.

It is an amenable number.

75243925 is a deficient number, since it is larger than the sum of its proper divisors (22115915).

75243925 is a wasteful number, since it uses less digits than its factorization.

75243925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130892 (or 130887 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 75243925 is about 8674.3256222026. The cubic root of 75243925 is about 422.1730252646.

It can be divided in two parts, 7524 and 3925, that added together give a square (11449 = 107²).

The spelling of 75243925 in words is "seventy-five million, two hundred forty-three thousand, nine hundred twenty-five".