30487666 has 16 divisors (see below), whose sum is σ = 52515360. Its totient is φ = 13128480.

The previous prime is 30487651. The next prime is 30487679. The reversal of 30487666 is 66678403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36051 + ... + 36886.

It is an arithmetic number, because the mean of its divisors is an integer number (3282210).

Almost surely, 2^30487666 is an apocalyptic number.

30487666 is a deficient number, since it is larger than the sum of its proper divisors (22027694).

30487666 is a wasteful number, since it uses less digits than its factorization.

30487666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72969.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 30487666 is about 5521.5637277858. The cubic root of 30487666 is about 312.3978665703.

The spelling of 30487666 in words is "thirty million, four hundred eighty-seven thousand, six hundred sixty-six".