75918438 has 32 divisors (see below), whose sum is σ = 169039200. Its totient is φ = 25256448.

The previous prime is 75918431. The next prime is 75918439. The reversal of 75918438 is 83481957.

It is a junction number, because it is equal to n+sod(n) for n = 75918393 and 75918402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75918431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35298 + ... + 37386.

It is an arithmetic number, because the mean of its divisors is an integer number (5282475).

Almost surely, 2^75918438 is an apocalyptic number.

75918438 is an abundant number, since it is smaller than the sum of its proper divisors (93120762).

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

75918438 is a wasteful number, since it uses less digits than its factorization.

75918438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773 (or 2767 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 75918438 is about 8713.1187298234. The cubic root of 75918438 is about 423.4307768879.

The spelling of 75918438 in words is "seventy-five million, nine hundred eighteen thousand, four hundred thirty-eight".