744740245 has 8 divisors (see below), whose sum is σ = 940724640. Its totient is φ = 564434640.

The previous prime is 744740221. The next prime is 744740273. The reversal of 744740245 is 542047447.

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

It is not a de Polignac number, because 744740245 - 2¹⁹ = 744215957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919591 + ... + 3919780.

It is an arithmetic number, because the mean of its divisors is an integer number (117590580).

Almost surely, 2^744740245 is an apocalyptic number.

It is an amenable number.

744740245 is a deficient number, since it is larger than the sum of its proper divisors (195984395).

744740245 is a wasteful number, since it uses less digits than its factorization.

744740245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839395.

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 744740245 is about 27289.9293696411. The cubic root of 744740245 is about 906.4313988367.

It can be divided in two parts, 7447402 and 45, that added together give a palindrome (7447447).

The spelling of 744740245 in words is "seven hundred forty-four million, seven hundred forty thousand, two hundred forty-five".