749518080 has 144 divisors (see below), whose sum is σ = 2520006720. Its totient is φ = 189333504.

The previous prime is 749518069. The next prime is 749518087. The reversal of 749518080 is 80815947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749518087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67824 + ... + 78096.

Almost surely, 2^749518080 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 749518080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260003360).

749518080 is an abundant number, since it is smaller than the sum of its proper divisors (1770488640).

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

749518080 is a wasteful number, since it uses less digits than its factorization.

749518080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316 (or 10302 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 749518080 is about 27377.3278462307. The cubic root of 749518080 is about 908.3656532188.

The spelling of 749518080 in words is "seven hundred forty-nine million, five hundred eighteen thousand, eighty".