745230552 has 64 divisors (see below), whose sum is σ = 2036880000. Its totient is φ = 225335040.

The previous prime is 745230511. The next prime is 745230587. The reversal of 745230552 is 255032547.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128908 + ... + 134564.

It is an arithmetic number, because the mean of its divisors is an integer number (31826250).

Almost surely, 2^745230552 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 745230552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1018440000).

745230552 is an abundant number, since it is smaller than the sum of its proper divisors (1291649448).

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

745230552 is a wasteful number, since it uses less digits than its factorization.

745230552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6176 (or 6172 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 745230552 is about 27298.9111870785. The cubic root of 745230552 is about 906.6302745149.

The spelling of 745230552 in words is "seven hundred forty-five million, two hundred thirty thousand, five hundred fifty-two".