749821488 has 40 divisors (see below), whose sum is σ = 2086043568. Its totient is φ = 230714112.

The previous prime is 749821463. The next prime is 749821493. The reversal of 749821488 is 884128947.

It is a self number, because there is not a number n which added to its sum of digits gives 749821488.

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, 600195 + ... + 601442.

Almost surely, 2^749821488 is an apocalyptic number.

749821488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

749821488 is an abundant number, since it is smaller than the sum of its proper divisors (1336222080).

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

749821488 is a wasteful number, since it uses less digits than its factorization.

749821488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201661 (or 1201655 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 51.

The square root of 749821488 is about 27382.8685129955. The cubic root of 749821488 is about 908.4882067338.

The spelling of 749821488 in words is "seven hundred forty-nine million, eight hundred twenty-one thousand, four hundred eighty-eight".