745589952 has 84 divisors (see below), whose sum is σ = 2182648416. Its totient is φ = 243233280.

The previous prime is 745589947. The next prime is 745589987. The reversal of 745589952 is 259985547.

745589952 is a `hidden beast` number, since 7 + 4 + 5 + 589 + 9 + 52 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13302 + ... + 40842.

Almost surely, 2^745589952 is an apocalyptic number.

745589952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745589952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091324208).

745589952 is an abundant number, since it is smaller than the sum of its proper divisors (1437058464).

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

745589952 is a wasteful number, since it uses less digits than its factorization.

745589952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27606 (or 27593 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The square root of 745589952 is about 27305.4930737388. The cubic root of 745589952 is about 906.7759970043.

The spelling of 745589952 in words is "seven hundred forty-five million, five hundred eighty-nine thousand, nine hundred fifty-two".