745854247 has 8 divisors (see below), whose sum is σ = 773720640. Its totient is φ = 718448640.

The previous prime is 745854227. The next prime is 745854287. The reversal of 745854247 is 742458547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745854247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745854197 and 745854206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745854227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111898 + ... + 118375.

It is an arithmetic number, because the mean of its divisors is an integer number (96715080).

Almost surely, 2^745854247 is an apocalyptic number.

745854247 is a deficient number, since it is larger than the sum of its proper divisors (27866393).

745854247 is a wasteful number, since it uses less digits than its factorization.

745854247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230393.

The product of its digits is 1254400, while the sum is 46.

The square root of 745854247 is about 27310.3322389165. The cubic root of 745854247 is about 906.8831282987.

The spelling of 745854247 in words is "seven hundred forty-five million, eight hundred fifty-four thousand, two hundred forty-seven".