745236607 has 4 divisors (see below), whose sum is σ = 749400120. Its totient is φ = 741073096.

The previous prime is 745236589. The next prime is 745236631. The reversal of 745236607 is 706632547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745236607 - 2¹⁵ = 745203839 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745236607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745636607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081488 + ... + 2081845.

It is an arithmetic number, because the mean of its divisors is an integer number (187350030).

Almost surely, 2^745236607 is an apocalyptic number.

745236607 is a deficient number, since it is larger than the sum of its proper divisors (4163513).

745236607 is a wasteful number, since it uses less digits than its factorization.

745236607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163512.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 745236607 is about 27299.0220887123. The cubic root of 745236607 is about 906.6327299659.

The spelling of 745236607 in words is "seven hundred forty-five million, two hundred thirty-six thousand, six hundred seven".