745658039 has 6 divisors (see below), whose sum is σ = 867398184. Its totient is φ = 639135420.

The previous prime is 745658033. The next prime is 745658071. The reversal of 745658039 is 930856547.

It is not a de Polignac number, because 745658039 - 2²⁸ = 477222583 is a prime.

It is a super-2 number, since 2×745658039² = 1112011822250651042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745657984 and 745658002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745658033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7608707 + ... + 7608804.

It is an arithmetic number, because the mean of its divisors is an integer number (144566364).

Almost surely, 2^745658039 is an apocalyptic number.

745658039 is a deficient number, since it is larger than the sum of its proper divisors (121740145).

745658039 is a wasteful number, since it uses less digits than its factorization.

745658039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15217525 (or 15217518 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 745658039 is about 27306.7398090655. The cubic root of 745658039 is about 906.8035983142.

The spelling of 745658039 in words is "seven hundred forty-five million, six hundred fifty-eight thousand, thirty-nine".