30947514 has 32 divisors (see below), whose sum is σ = 70580160. Its totient is φ = 8961792.

The previous prime is 30947491. The next prime is 30947519. The reversal of 30947514 is 41574903.

It is not an unprimeable number, because it can be changed into a prime (30947519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10344 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (2205630).

Almost surely, 2^30947514 is an apocalyptic number.

30947514 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30947514 is an abundant number, since it is smaller than the sum of its proper divisors (39632646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30947514 is a wasteful number, since it uses less digits than its factorization.

30947514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23374.

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

The square root of 30947514 is about 5563.0489841453. The cubic root of 30947514 is about 313.9606763743.

The spelling of 30947514 in words is "thirty million, nine hundred forty-seven thousand, five hundred fourteen".