745302507 has 16 divisors (see below), whose sum is σ = 1031130912. Its totient is φ = 478448640.

The previous prime is 745302497. The next prime is 745302529. The reversal of 745302507 is 705203547.

It is not a de Polignac number, because 745302507 - 2⁶ = 745302443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745302587) 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 15 ways as a sum of consecutive naturals, for example, 23844 + ... + 45377.

It is an arithmetic number, because the mean of its divisors is an integer number (64445682).

Almost surely, 2^745302507 is an apocalyptic number.

745302507 is a deficient number, since it is larger than the sum of its proper divisors (285828405).

745302507 is a wasteful number, since it uses less digits than its factorization.

745302507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69358.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 745302507 is about 27300.2290649731. The cubic root of 745302507 is about 906.6594531727.

The spelling of 745302507 in words is "seven hundred forty-five million, three hundred two thousand, five hundred seven".