745672245 has 32 divisors (see below), whose sum is σ = 1230569472. Its totient is φ = 385342272.

The previous prime is 745672243. The next prime is 745672247. The reversal of 745672245 is 542276547.

It is an interprime number because it is at equal distance from previous prime (745672243) and next prime (745672247).

It is not a de Polignac number, because 745672245 - 2¹ = 745672243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745672197 and 745672206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745672243) 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, 77364 + ... + 86466.

It is an arithmetic number, because the mean of its divisors is an integer number (38455296).

Almost surely, 2^745672245 is an apocalyptic number.

It is an amenable number.

745672245 is a deficient number, since it is larger than the sum of its proper divisors (484897227).

745672245 is a wasteful number, since it uses less digits than its factorization.

745672245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9281.

The product of its digits is 470400, while the sum is 42.

The square root of 745672245 is about 27306.9999267587. Note that the first 4 decimals coincide. The cubic root of 745672245 is about 906.8093569727.

The spelling of 745672245 in words is "seven hundred forty-five million, six hundred seventy-two thousand, two hundred forty-five".