749648440 has 32 divisors (see below), whose sum is σ = 1693295280. Its totient is φ = 298688512.

The previous prime is 749648429. The next prime is 749648503. The reversal of 749648440 is 44846947.

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, 26182 + ... + 46741.

Almost surely, 2^749648440 is an apocalyptic number.

It is an amenable number.

749648440 is an abundant number, since it is smaller than the sum of its proper divisors (943646840).

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

749648440 is a wasteful number, since it uses less digits than its factorization.

749648440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73191 (or 73187 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 749648440 is about 27379.7085448330. The cubic root of 749648440 is about 908.4183126922.

The spelling of 749648440 in words is "seven hundred forty-nine million, six hundred forty-eight thousand, four hundred forty".