745233307 has 48 divisors (see below), whose sum is σ = 965260800. Its totient is φ = 570024000.

The previous prime is 745233277. The next prime is 745233319. The reversal of 745233307 is 703332547.

It is a de Polignac number, because none of the positive numbers 2^k-745233307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745233337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2968932 + ... + 2969182.

It is an arithmetic number, because the mean of its divisors is an integer number (20109600).

Almost surely, 2^745233307 is an apocalyptic number.

745233307 is a deficient number, since it is larger than the sum of its proper divisors (220027493).

745233307 is a wasteful number, since it uses less digits than its factorization.

745233307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 34.

The square root of 745233307 is about 27298.9616469198. The cubic root of 745233307 is about 906.6313917366.

The spelling of 745233307 in words is "seven hundred forty-five million, two hundred thirty-three thousand, three hundred seven".