749447846 has 12 divisors (see below), whose sum is σ = 1307710188. Its totient is φ = 321191892.

The previous prime is 749447791. The next prime is 749447849. The reversal of 749447846 is 648744947.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749447849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3823616 + ... + 3823811.

It is an arithmetic number, because the mean of its divisors is an integer number (108975849).

Almost surely, 2^749447846 is an apocalyptic number.

749447846 is a deficient number, since it is larger than the sum of its proper divisors (558262342).

749447846 is a wasteful number, since it uses less digits than its factorization.

749447846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7647443 (or 7647436 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The square root of 749447846 is about 27376.0451124701. The cubic root of 749447846 is about 908.3372793664.

The spelling of 749447846 in words is "seven hundred forty-nine million, four hundred forty-seven thousand, eight hundred forty-six".