30740666 has 8 divisors (see below), whose sum is σ = 50302944. Its totient is φ = 13973020.

The previous prime is 30740639. The next prime is 30740707. The reversal of 30740666 is 66604703.

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

It is a super-2 number, since 2×30740666² = 1889977092247112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698630 + ... + 698673.

It is an arithmetic number, because the mean of its divisors is an integer number (6287868).

Almost surely, 2^30740666 is an apocalyptic number.

30740666 is a deficient number, since it is larger than the sum of its proper divisors (19562278).

30740666 is a wasteful number, since it uses less digits than its factorization.

30740666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397316.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 30740666 is about 5544.4265708908. The cubic root of 30740666 is about 313.2596252860.

The spelling of 30740666 in words is "thirty million, seven hundred forty thousand, six hundred sixty-six".