745437272 has 8 divisors (see below), whose sum is σ = 1397694900. Its totient is φ = 372718632.

The previous prime is 745437271. The next prime is 745437299. The reversal of 745437272 is 272734547.

745437272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745437271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46589822 + ... + 46589837.

Almost surely, 2^745437272 is an apocalyptic number.

It is an amenable number.

745437272 is a deficient number, since it is larger than the sum of its proper divisors (652257628).

745437272 is a wasteful number, since it uses less digits than its factorization.

745437272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93179665 (or 93179661 counting only the distinct ones).

The product of its digits is 329280, while the sum is 41.

The square root of 745437272 is about 27302.6971561419. The cubic root of 745437272 is about 906.7140970237.

The spelling of 745437272 in words is "seven hundred forty-five million, four hundred thirty-seven thousand, two hundred seventy-two".