749449456 has 20 divisors (see below), whose sum is σ = 1659495472. Its totient is φ = 321192576.

The previous prime is 749449439. The next prime is 749449469. The reversal of 749449456 is 654944947.

749449456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345645 + ... + 3345868.

Almost surely, 2^749449456 is an apocalyptic number.

It is an amenable number.

749449456 is an abundant number, since it is smaller than the sum of its proper divisors (910046016).

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

749449456 is a wasteful number, since it uses less digits than its factorization.

749449456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691528 (or 6691522 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The square root of 749449456 is about 27376.0745177244. The cubic root of 749449456 is about 908.3379298106.

The spelling of 749449456 in words is "seven hundred forty-nine million, four hundred forty-nine thousand, four hundred fifty-six".