75406258404 has 27 divisors (see below), whose sum is σ = 190614429187. Its totient is φ = 25134870264.

The previous prime is 75406258387. The next prime is 75406258423. The reversal of 75406258404 is 40485260457.

The square root of 75406258404 is 274602.

It is a perfect power (a square), and thus also a powerful number.

75406258404 is a `hidden beast` number, since 7 + 5 + 4 + 0 + 62 + 584 + 0 + 4 = 666.

It is a super-2 number, since 2×75406258404² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75406258404.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1624729 + ... + 1670495.

Almost surely, 2^75406258404 is an apocalyptic number.

75406258404 is the 274602-nd square number.

It is an amenable number.

75406258404 is an abundant number, since it is smaller than the sum of its proper divisors (115208170783).

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

75406258404 is an frugal number, since it uses more digits than its factorization.

75406258404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91544 (or 45772 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 75406258404 in words is "seventy-five billion, four hundred six million, two hundred fifty-eight thousand, four hundred four".