744465408 has 88 divisors (see below), whose sum is σ = 2014444512. Its totient is φ = 244383744.

The previous prime is 744465367. The next prime is 744465431. The reversal of 744465408 is 804564447.

It is a self number, because there is not a number n which added to its sum of digits gives 744465408.

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, 204016 + ... + 207632.

Almost surely, 2^744465408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744465408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007222256).

744465408 is an abundant number, since it is smaller than the sum of its proper divisors (1269979104).

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

744465408 is a wasteful number, since it uses less digits than its factorization.

744465408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707 (or 3689 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 744465408 is about 27284.8934027604. The cubic root of 744465408 is about 906.3198827569.

The spelling of 744465408 in words is "seven hundred forty-four million, four hundred sixty-five thousand, four hundred eight".