745034472 has 144 divisors (see below), whose sum is σ = 2497379040. Its totient is φ = 196470144.

The previous prime is 745034471. The next prime is 745034483. The reversal of 745034472 is 274430547.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (745034471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 80803 + ... + 89549.

It is an arithmetic number, because the mean of its divisors is an integer number (17342910).

Almost surely, 2^745034472 is an apocalyptic number.

745034472 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 745034472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248689520).

745034472 is an abundant number, since it is smaller than the sum of its proper divisors (1752344568).

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

745034472 is a wasteful number, since it uses less digits than its factorization.

745034472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8792 (or 8772 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 745034472 is about 27295.3195987884. The cubic root of 745034472 is about 906.5507520738.

The spelling of 745034472 in words is "seven hundred forty-five million, thirty-four thousand, four hundred seventy-two".