749218346 has 8 divisors (see below), whose sum is σ = 1124422560. Its totient is φ = 374410828.

The previous prime is 749218343. The next prime is 749218381. The reversal of 749218346 is 643812947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×749218346² = 1122656259965951432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749218297 and 749218306.

It is not an unprimeable number, because it can be changed into a prime (749218343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94406 + ... + 102033.

It is an arithmetic number, because the mean of its divisors is an integer number (140552820).

Almost surely, 2^749218346 is an apocalyptic number.

749218346 is a deficient number, since it is larger than the sum of its proper divisors (375204214).

749218346 is a wasteful number, since it uses less digits than its factorization.

749218346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198348.

The product of its digits is 290304, while the sum is 44.

The square root of 749218346 is about 27371.8531707300. The cubic root of 749218346 is about 908.2445512380.

The spelling of 749218346 in words is "seven hundred forty-nine million, two hundred eighteen thousand, three hundred forty-six".