745394232 has 32 divisors (see below), whose sum is σ = 2032894080. Its totient is φ = 225876960.

The previous prime is 745394231. The next prime is 745394233. The reversal of 745394232 is 232493547.

It is an interprime number because it is at equal distance from previous prime (745394231) and next prime (745394233).

It is a super-2 number, since 2×745394232² = 1111225122197739648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745394231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411468 + ... + 1411995.

It is an arithmetic number, because the mean of its divisors is an integer number (63527940).

Almost surely, 2^745394232 is an apocalyptic number.

It is an amenable number.

745394232 is an abundant number, since it is smaller than the sum of its proper divisors (1287499848).

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

745394232 is a wasteful number, since it uses less digits than its factorization.

745394232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823483 (or 2823479 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 745394232 is about 27301.9089442478. The cubic root of 745394232 is about 906.6966460916.

The spelling of 745394232 in words is "seven hundred forty-five million, three hundred ninety-four thousand, two hundred thirty-two".