30494715 has 32 divisors (see below), whose sum is σ = 52158720. Its totient is φ = 15168384.

The previous prime is 30494687. The next prime is 30494729. The reversal of 30494715 is 51749403.

It is not a de Polignac number, because 30494715 - 2⁵ = 30494683 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18297 + ... + 19893.

It is an arithmetic number, because the mean of its divisors is an integer number (1629960).

Almost surely, 2^30494715 is an apocalyptic number.

30494715 is a deficient number, since it is larger than the sum of its proper divisors (21664005).

30494715 is a wasteful number, since it uses less digits than its factorization.

30494715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 30494715 is about 5522.2020064463. The cubic root of 30494715 is about 312.4219410367.

The spelling of 30494715 in words is "thirty million, four hundred ninety-four thousand, seven hundred fifteen".