30564494 has 8 divisors (see below), whose sum is σ = 45972768. Its totient is φ = 15240240.

The previous prime is 30564473. The next prime is 30564509. The reversal of 30564494 is 49446503.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20087 + ... + 21554.

It is an arithmetic number, because the mean of its divisors is an integer number (5746596).

Almost surely, 2^30564494 is an apocalyptic number.

30564494 is a deficient number, since it is larger than the sum of its proper divisors (15408274).

30564494 is a wasteful number, since it uses less digits than its factorization.

30564494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42010.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 30564494 is about 5528.5164375264. The cubic root of 30564494 is about 312.6600575271.

The spelling of 30564494 in words is "thirty million, five hundred sixty-four thousand, four hundred ninety-four".