745575984 has 90 divisors (see below), whose sum is σ = 2112534060. Its totient is φ = 245458944.

The previous prime is 745575983. The next prime is 745575989. The reversal of 745575984 is 489575547.

745575984 is a `hidden beast` number, since 7 + 4 + 557 + 5 + 9 + 84 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 745575984.

It is not an unprimeable number, because it can be changed into a prime (745575983) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3862992 + ... + 3863184.

Almost surely, 2^745575984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745575984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056267030).

745575984 is an abundant number, since it is smaller than the sum of its proper divisors (1366958076).

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

745575984 is a wasteful number, since it uses less digits than its factorization.

745575984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 337 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 54.

The square root of 745575984 is about 27305.2372998295. The cubic root of 745575984 is about 906.7703344073.

The spelling of 745575984 in words is "seven hundred forty-five million, five hundred seventy-five thousand, nine hundred eighty-four".