745371234 has 20 divisors (see below), whose sum is σ = 1670184054. Its totient is φ = 248457024.

The previous prime is 745371227. The next prime is 745371247. The reversal of 745371234 is 432173547.

It can be written as a sum of positive squares in only one way, i.e., 745126209 + 245025 = 27297^2 + 495^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2300367 + ... + 2300690.

Almost surely, 2^745371234 is an apocalyptic number.

745371234 is an abundant number, since it is smaller than the sum of its proper divisors (924812820).

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

745371234 is a wasteful number, since it uses less digits than its factorization.

745371234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601071 (or 4601062 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 745371234 is about 27301.4877616587. The cubic root of 745371234 is about 906.6873210825.

It can be divided in two parts, 7453 and 71234, that added together give a palindrome (78687).

The spelling of 745371234 in words is "seven hundred forty-five million, three hundred seventy-one thousand, two hundred thirty-four".