749329218 has 40 divisors (see below), whose sum is σ = 1831698000. Its totient is φ = 227068920.

The previous prime is 749329193. The next prime is 749329279. The reversal of 749329218 is 812923947.

749329218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×749329218² = 1122988553896983048, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 208468 + ... + 212031.

It is an arithmetic number, because the mean of its divisors is an integer number (45792450).

Almost surely, 2^749329218 is an apocalyptic number.

749329218 is an abundant number, since it is smaller than the sum of its proper divisors (1082368782).

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

749329218 is a wasteful number, since it uses less digits than its factorization.

749329218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420524 (or 420515 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 749329218 is about 27373.8783879815. The cubic root of 749329218 is about 908.2893507830.

The spelling of 749329218 in words is "seven hundred forty-nine million, three hundred twenty-nine thousand, two hundred eighteen".