749888320 has 112 divisors (see below), whose sum is σ = 1879274880. Its totient is φ = 284461056.

The previous prime is 749888299. The next prime is 749888327. The reversal of 749888320 is 23888947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749888327) 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, 1022674 + ... + 1023406.

It is an arithmetic number, because the mean of its divisors is an integer number (16779240).

Almost surely, 2^749888320 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 749888320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (939637440).

749888320 is an abundant number, since it is smaller than the sum of its proper divisors (1129386560).

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

749888320 is a wasteful number, since it uses less digits than its factorization.

749888320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 749888320 is about 27384.0888108405. The cubic root of 749888320 is about 908.5151972824.

The spelling of 749888320 in words is "seven hundred forty-nine million, eight hundred eighty-eight thousand, three hundred twenty".