749328384 has 288 divisors, whose sum is σ = 2464862400. Its totient is φ = 201277440.

The previous prime is 749328353. The next prime is 749328407. The reversal of 749328384 is 483823947.

It is a super-2 number, since 2×749328384² = 1122986054136102912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (1161216) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5719999 + ... + 5720129.

It is an arithmetic number, because the mean of its divisors is an integer number (8558550).

Almost surely, 2^749328384 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 749328384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232431200).

749328384 is an abundant number, since it is smaller than the sum of its proper divisors (1715534016).

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

749328384 is a wasteful number, since it uses less digits than its factorization.

749328384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 162 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 749328384 is about 27373.8631544764. The cubic root of 749328384 is about 908.2890138089.

The spelling of 749328384 in words is "seven hundred forty-nine million, three hundred twenty-eight thousand, three hundred eighty-four".