746666666666666 has 24 divisors (see below), whose sum is σ = 1170977283173124. Its totient is φ = 357051298017920.

The previous prime is 746666666666621. The next prime is 746666666666719. The reversal of 746666666666666 is 666666666666647.

It can be written as a sum of positive squares in 2 ways, for example, as 734612125705441 + 12054540961225 = 27103729^2 + 3471965^2 .

It is a super-2 number, since 2×746666666666666² (a number of 31 digits) contains 22 as substring.

746666666666666 is a modest number, since divided by 66666666 gives 7466666 as remainder.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42019001 + ... + 57087036.

Almost surely, 2^{746666666666666} is an apocalyptic number.

746666666666666 is a deficient number, since it is larger than the sum of its proper divisors (424310616506458).

746666666666666 is a wasteful number, since it uses less digits than its factorization.

746666666666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99113206 (or 99113183 counting only the distinct ones).

The product of its digits is 365699432448, while the sum is 89.

The spelling of 746666666666666 in words is "seven hundred forty-six trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-six".