746121668 has 12 divisors (see below), whose sum is σ = 1306265772. Its totient is φ = 372902880.

The previous prime is 746121661. The next prime is 746121713. The reversal of 746121668 is 866121647.

746121668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 452753284 + 293368384 = 21278^2 + 17128^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (746121661) 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, 28523 + ... + 48018.

It is an arithmetic number, because the mean of its divisors is an integer number (108855481).

Almost surely, 2^746121668 is an apocalyptic number.

It is an amenable number.

746121668 is a deficient number, since it is larger than the sum of its proper divisors (560144104).

746121668 is a wasteful number, since it uses less digits than its factorization.

746121668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78982 (or 78980 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 746121668 is about 27315.2277676757. The cubic root of 746121668 is about 906.9915009534.

The spelling of 746121668 in words is "seven hundred forty-six million, one hundred twenty-one thousand, six hundred sixty-eight".