745744234 has 8 divisors (see below), whose sum is σ = 1125479520. Its totient is φ = 370584396.

The previous prime is 745744231. The next prime is 745744271. The reversal of 745744234 is 432447547.

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

It is a super-2 number, since 2×745744234² = 1112268925088493512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745744231) 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, 1143454 + ... + 1144105.

It is an arithmetic number, because the mean of its divisors is an integer number (140684940).

Almost surely, 2^745744234 is an apocalyptic number.

745744234 is a deficient number, since it is larger than the sum of its proper divisors (379735286).

745744234 is a wasteful number, since it uses less digits than its factorization.

745744234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287724.

The product of its digits is 376320, while the sum is 40.

The square root of 745744234 is about 27308.3180368180. The cubic root of 745744234 is about 906.8385378891.

The spelling of 745744234 in words is "seven hundred forty-five million, seven hundred forty-four thousand, two hundred thirty-four".