749486320 has 40 divisors (see below), whose sum is σ = 1900972080. Its totient is φ = 272540160.

The previous prime is 749486317. The next prime is 749486333. The reversal of 749486320 is 23684947.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 424965 + ... + 426724.

It is an arithmetic number, because the mean of its divisors is an integer number (47524302).

Almost surely, 2^749486320 is an apocalyptic number.

It is an amenable number.

749486320 is an abundant number, since it is smaller than the sum of its proper divisors (1151485760).

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

749486320 is a wasteful number, since it uses less digits than its factorization.

749486320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851713 (or 851707 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 749486320 is about 27376.7477980859. The cubic root of 749486320 is about 908.3528227075.

The spelling of 749486320 in words is "seven hundred forty-nine million, four hundred eighty-six thousand, three hundred twenty".