749509488 has 180 divisors, whose sum is σ = 2628066168. Its totient is φ = 197648640.

The previous prime is 749509463. The next prime is 749509499. The reversal of 749509488 is 884905947.

749509488 is a `hidden beast` number, since 74 + 95 + 0 + 9 + 488 = 666.

749509488 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 35 ways as a sum of consecutive naturals, for example, 87643 + ... + 95813.

Almost surely, 2^749509488 is an apocalyptic number.

749509488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749509488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314033084).

749509488 is an abundant number, since it is smaller than the sum of its proper divisors (1878556680).

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

749509488 is a wasteful number, since it uses less digits than its factorization.

749509488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212 (or 8196 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 749509488 is about 27377.1709276178. The cubic root of 749509488 is about 908.3621822296.

The spelling of 749509488 in words is "seven hundred forty-nine million, five hundred nine thousand, four hundred eighty-eight".