745188797 has 4 divisors (see below), whose sum is σ = 784409280. Its totient is φ = 705968316.

The previous prime is 745188791. The next prime is 745188811. The reversal of 745188797 is 797881547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 745188797 - 2⁸ = 745188541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745188791) 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, 19610213 + ... + 19610250.

It is an arithmetic number, because the mean of its divisors is an integer number (196102320).

Almost surely, 2^745188797 is an apocalyptic number.

It is an amenable number.

745188797 is a deficient number, since it is larger than the sum of its proper divisors (39220483).

745188797 is a wasteful number, since it uses less digits than its factorization.

745188797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39220482.

The product of its digits is 3951360, while the sum is 56.

The square root of 745188797 is about 27298.1464022743. The cubic root of 745188797 is about 906.6133414758.

The spelling of 745188797 in words is "seven hundred forty-five million, one hundred eighty-eight thousand, seven hundred ninety-seven".