745744235 has 4 divisors (see below), whose sum is σ = 894893088. Its totient is φ = 596595384.

The previous prime is 745744231. The next prime is 745744271. The reversal of 745744235 is 532447547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 532447547 = 1789 ⋅297623.

It is a cyclic number.

It is not a de Polignac number, because 745744235 - 2² = 745744231 is a prime.

It is a super-2 number, since 2×745744235² = 1112268928071470450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745744192 and 745744201.

It is not an unprimeable number, because it can be changed into a prime (745744231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74574419 + ... + 74574428.

It is an arithmetic number, because the mean of its divisors is an integer number (223723272).

Almost surely, 2^745744235 is an apocalyptic number.

745744235 is a deficient number, since it is larger than the sum of its proper divisors (149148853).

745744235 is a wasteful number, since it uses less digits than its factorization.

745744235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149148852.

The product of its digits is 470400, while the sum is 41.

The square root of 745744235 is about 27308.3180551275. The cubic root of 745744235 is about 906.8385382944.

The spelling of 745744235 in words is "seven hundred forty-five million, seven hundred forty-four thousand, two hundred thirty-five".