30660473 has 8 divisors (see below), whose sum is σ = 31218528. Its totient is φ = 30105504.

The previous prime is 30660451. The next prime is 30660479. The reversal of 30660473 is 37406603.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30660473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30660479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29165 + ... + 30197.

It is an arithmetic number, because the mean of its divisors is an integer number (3902316).

Almost surely, 2^30660473 is an apocalyptic number.

It is an amenable number.

30660473 is a deficient number, since it is larger than the sum of its proper divisors (558055).

30660473 is a wasteful number, since it uses less digits than its factorization.

30660473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 30660473 is about 5537.1899913223. The cubic root of 30660473 is about 312.9869885407.

The spelling of 30660473 in words is "thirty million, six hundred sixty thousand, four hundred seventy-three".