749222380 has 12 divisors (see below), whose sum is σ = 1573367040. Its totient is φ = 299688944.

The previous prime is 749222339. The next prime is 749222393. The reversal of 749222380 is 83222947.

749222380 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 2×749222380² = 1122668349385728800, which contains 22 as substring.

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, 18730540 + ... + 18730579.

It is an arithmetic number, because the mean of its divisors is an integer number (131113920).

Almost surely, 2^749222380 is an apocalyptic number.

It is an amenable number.

749222380 is an abundant number, since it is smaller than the sum of its proper divisors (824144660).

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

749222380 is a wasteful number, since it uses less digits than its factorization.

749222380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37461128 (or 37461126 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 749222380 is about 27371.9268594668. The cubic root of 749222380 is about 908.2461813155.

The spelling of 749222380 in words is "seven hundred forty-nine million, two hundred twenty-two thousand, three hundred eighty".