749343946 has 32 divisors (see below), whose sum is σ = 1237219200. Its totient is φ = 338285376.

The previous prime is 749343919. The next prime is 749343953. The reversal of 749343946 is 649343947.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 749343946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258115 + ... + 261001.

It is an arithmetic number, because the mean of its divisors is an integer number (38663100).

Almost surely, 2^749343946 is an apocalyptic number.

749343946 is a deficient number, since it is larger than the sum of its proper divisors (487875254).

749343946 is a wasteful number, since it uses less digits than its factorization.

749343946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118.

The product of its digits is 1959552, while the sum is 49.

The square root of 749343946 is about 27374.1474022480. The cubic root of 749343946 is about 908.2953015265.

Subtracting from 749343946 its reverse (649343947), we obtain a palindrome (99999999).

The spelling of 749343946 in words is "seven hundred forty-nine million, three hundred forty-three thousand, nine hundred forty-six".