749890940 has 12 divisors (see below), whose sum is σ = 1574771016. Its totient is φ = 299956368.

The previous prime is 749890937. The next prime is 749890979. The reversal of 749890940 is 49098947.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18747254 + ... + 18747293.

It is an arithmetic number, because the mean of its divisors is an integer number (131230918).

Almost surely, 2^749890940 is an apocalyptic number.

It is an amenable number.

749890940 is an abundant number, since it is smaller than the sum of its proper divisors (824880076).

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

749890940 is a wasteful number, since it uses less digits than its factorization.

749890940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37494556 (or 37494554 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 749890940 is about 27384.1366487972. The cubic root of 749890940 is about 908.5162553542.

The spelling of 749890940 in words is "seven hundred forty-nine million, eight hundred ninety thousand, nine hundred forty".