745436832 has 48 divisors (see below), whose sum is σ = 2236312512. Its totient is φ = 212981760.

The previous prime is 745436827. The next prime is 745436837. The reversal of 745436832 is 238634547.

745436832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (745436827) and next prime (745436837).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (745436837) 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, 553969 + ... + 555312.

It is an arithmetic number, because the mean of its divisors is an integer number (46589844).

Almost surely, 2^745436832 is an apocalyptic number.

It is an amenable number.

745436832 is an abundant number, since it is smaller than the sum of its proper divisors (1490875680).

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

745436832 is a wasteful number, since it uses less digits than its factorization.

745436832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109301 (or 1109293 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 745436832 is about 27302.6890983288. The cubic root of 745436832 is about 906.7139186254.

The spelling of 745436832 in words is "seven hundred forty-five million, four hundred thirty-six thousand, eight hundred thirty-two".