745398 has 12 divisors (see below), whose sum is σ = 1615068. Its totient is φ = 248460.

The previous prime is 745397. The next prime is 745471. The reversal of 745398 is 893547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20688 + ... + 20723.

It is an arithmetic number, because the mean of its divisors is an integer number (134589).

2⁷⁴⁵³⁹⁸ is an apocalyptic number.

745398 is an abundant number, since it is smaller than the sum of its proper divisors (869670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745398 is a wasteful number, since it uses less digits than its factorization.

745398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41419 (or 41416 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 745398 is about 863.3643495072. The cubic root of 745398 is about 90.6698173886.

It can be divided in two parts, 74539 and 8, that added together give a palindrome (74547).

The spelling of 745398 in words is "seven hundred forty-five thousand, three hundred ninety-eight".