30662661 has 8 divisors (see below), whose sum is σ = 40912000. Its totient is φ = 20427552.

The previous prime is 30662651. The next prime is 30662683. The reversal of 30662661 is 16626603.

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

It is not a de Polignac number, because 30662661 - 2¹⁰ = 30661637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30662641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3441 + ... + 8553.

It is an arithmetic number, because the mean of its divisors is an integer number (5114000).

Almost surely, 2^30662661 is an apocalyptic number.

It is an amenable number.

30662661 is a deficient number, since it is larger than the sum of its proper divisors (10249339).

30662661 is a wasteful number, since it uses less digits than its factorization.

30662661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 30662661 is about 5537.3875609352. The cubic root of 30662661 is about 312.9944335144.

The spelling of 30662661 in words is "thirty million, six hundred sixty-two thousand, six hundred sixty-one".