749344918 has 16 divisors (see below), whose sum is σ = 1314466560. Its totient is φ = 313679016.

The previous prime is 749344913. The next prime is 749344919. The reversal of 749344918 is 819443947.

It is a super-2 number, since 2×749344918² = 1123035612264853448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749344913) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 621778 + ... + 622981.

It is an arithmetic number, because the mean of its divisors is an integer number (82154160).

Almost surely, 2^749344918 is an apocalyptic number.

749344918 is a deficient number, since it is larger than the sum of its proper divisors (565121642).

749344918 is a wasteful number, since it uses less digits than its factorization.

749344918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244811.

The product of its digits is 870912, while the sum is 49.

The square root of 749344918 is about 27374.1651562198. The cubic root of 749344918 is about 908.2956942535.

The spelling of 749344918 in words is "seven hundred forty-nine million, three hundred forty-four thousand, nine hundred eighteen".