745393622 has 4 divisors (see below), whose sum is σ = 1118090436. Its totient is φ = 372696810.

The previous prime is 745393619. The next prime is 745393651. The reversal of 745393622 is 226393547.

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

It is a super-2 number, since 2×745393622² = 1111223303436557768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745393622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186348404 + ... + 186348407.

It is an arithmetic number, because the mean of its divisors is an integer number (279522609).

Almost surely, 2^745393622 is an apocalyptic number.

745393622 is a deficient number, since it is larger than the sum of its proper divisors (372696814).

745393622 is a wasteful number, since it uses less digits than its factorization.

745393622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372696813.

The product of its digits is 272160, while the sum is 41.

The square root of 745393622 is about 27301.8977728655. The cubic root of 745393622 is about 906.6963987571.

The spelling of 745393622 in words is "seven hundred forty-five million, three hundred ninety-three thousand, six hundred twenty-two".