75425418 has 80 divisors (see below), whose sum is σ = 182324736. Its totient is φ = 23237280.

The previous prime is 75425411. The next prime is 75425437. The reversal of 75425418 is 81452457.

75425418 is a `hidden beast` number, since 75 + 42 + 541 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (75425411) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 115180 + ... + 115832.

Almost surely, 2^75425418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75425418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91162368).

75425418 is an abundant number, since it is smaller than the sum of its proper divisors (106899318).

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

75425418 is a wasteful number, since it uses less digits than its factorization.

75425418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 712 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 75425418 is about 8684.7808262500. The cubic root of 75425418 is about 422.5121885307.

The spelling of 75425418 in words is "seventy-five million, four hundred twenty-five thousand, four hundred eighteen".