749946440 has 16 divisors (see below), whose sum is σ = 1687379580. Its totient is φ = 299978560.

The previous prime is 749946437. The next prime is 749946481. The reversal of 749946440 is 44649947.

It can be written as a sum of positive squares in 2 ways, for example, as 715348516 + 34597924 = 26746^2 + 5882^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9374291 + ... + 9374370.

Almost surely, 2^749946440 is an apocalyptic number.

It is an amenable number.

749946440 is an abundant number, since it is smaller than the sum of its proper divisors (937433140).

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

749946440 is a wasteful number, since it uses less digits than its factorization.

749946440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18748672 (or 18748668 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 749946440 is about 27385.1499904602. The cubic root of 749946440 is about 908.5386681281.

The spelling of 749946440 in words is "seven hundred forty-nine million, nine hundred forty-six thousand, four hundred forty".