745270872 has 32 divisors (see below), whose sum is σ = 1913535600. Its totient is φ = 241709184.

The previous prime is 745270849. The next prime is 745270873. The reversal of 745270872 is 278072547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745270873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418747 + ... + 420522.

Almost surely, 2^745270872 is an apocalyptic number.

It is an amenable number.

745270872 is an abundant number, since it is smaller than the sum of its proper divisors (1168264728).

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

745270872 is a wasteful number, since it uses less digits than its factorization.

745270872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839315 (or 839311 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 745270872 is about 27299.6496680818. The cubic root of 745270872 is about 906.6466250135.

The spelling of 745270872 in words is "seven hundred forty-five million, two hundred seventy thousand, eight hundred seventy-two".