744702485 has 4 divisors (see below), whose sum is σ = 893642988. Its totient is φ = 595761984.

The previous prime is 744702481. The next prime is 744702499. The reversal of 744702485 is 584207447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 482197681 + 262504804 = 21959^2 + 16202^2 .

It is a cyclic number.

It is not a de Polignac number, because 744702485 - 2² = 744702481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744702481) 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, 74470244 + ... + 74470253.

It is an arithmetic number, because the mean of its divisors is an integer number (223410747).

Almost surely, 2^744702485 is an apocalyptic number.

It is an amenable number.

744702485 is a deficient number, since it is larger than the sum of its proper divisors (148940503).

744702485 is a wasteful number, since it uses less digits than its factorization.

744702485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148940502.

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 744702485 is about 27289.2375305724. The cubic root of 744702485 is about 906.4160792097.

The spelling of 744702485 in words is "seven hundred forty-four million, seven hundred two thousand, four hundred eighty-five".