749981212 has 12 divisors (see below), whose sum is σ = 1313658360. Its totient is φ = 374650256.

The previous prime is 749981203. The next prime is 749981237. The reversal of 749981212 is 212189947.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80098 + ... + 88969.

It is an arithmetic number, because the mean of its divisors is an integer number (109471530).

Almost surely, 2^749981212 is an apocalyptic number.

It is an amenable number.

749981212 is a deficient number, since it is larger than the sum of its proper divisors (563677148).

749981212 is a wasteful number, since it uses less digits than its factorization.

749981212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170180 (or 170178 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 749981212 is about 27385.7848527297. The cubic root of 749981212 is about 908.5527096723.

The spelling of 749981212 in words is "seven hundred forty-nine million, nine hundred eighty-one thousand, two hundred twelve".