744704436 has 48 divisors (see below), whose sum is σ = 1997807616. Its totient is φ = 211494624.

The previous prime is 744704417. The next prime is 744704437. The reversal of 744704436 is 634407447.

It is a junction number, because it is equal to n+sod(n) for n = 744704394 and 744704403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744704437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12516 + ... + 40571.

It is an arithmetic number, because the mean of its divisors is an integer number (41620992).

Almost surely, 2^744704436 is an apocalyptic number.

It is an amenable number.

744704436 is an abundant number, since it is smaller than the sum of its proper divisors (1253103180).

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

744704436 is a wasteful number, since it uses less digits than its factorization.

744704436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53268 (or 53266 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 39.

The square root of 744704436 is about 27289.2732772421. The cubic root of 744704436 is about 906.4168707635.

The spelling of 744704436 in words is "seven hundred forty-four million, seven hundred four thousand, four hundred thirty-six".