745500032730 has 48 divisors (see below), whose sum is σ = 1945452547584. Its totient is φ = 198066422880.

The previous prime is 745500032701. The next prime is 745500032737. The reversal of 745500032730 is 37230005547.

745500032730 is a `hidden beast` number, since 7 + 4 + 550 + 0 + 0 + 32 + 73 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (745500032737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15258514 + ... + 15307293.

It is an arithmetic number, because the mean of its divisors is an integer number (40530261408).

Almost surely, 2^745500032730 is an apocalyptic number.

745500032730 is an abundant number, since it is smaller than the sum of its proper divisors (1199952514854).

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

745500032730 is a wasteful number, since it uses less digits than its factorization.

745500032730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30566091 (or 30566088 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The spelling of 745500032730 in words is "seven hundred forty-five billion, five hundred million, thirty-two thousand, seven hundred thirty".