745872015 has 32 divisors (see below), whose sum is σ = 1364912640. Its totient is φ = 340712064.

The previous prime is 745872013. The next prime is 745872019. The reversal of 745872015 is 510278547.

It is not a de Polignac number, because 745872015 - 2¹ = 745872013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745872013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244077 + ... + 247113.

It is an arithmetic number, because the mean of its divisors is an integer number (42653520).

Almost surely, 2^745872015 is an apocalyptic number.

745872015 is a deficient number, since it is larger than the sum of its proper divisors (619040625).

745872015 is a wasteful number, since it uses less digits than its factorization.

745872015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 745872015 is about 27310.6575351089. The cubic root of 745872015 is about 906.8903296036.

The spelling of 745872015 in words is "seven hundred forty-five million, eight hundred seventy-two thousand, fifteen".