30718982 has 24 divisors (see below), whose sum is σ = 53951184. Its totient is φ = 13079472.

The previous prime is 30718981. The next prime is 30718997. The reversal of 30718982 is 28981703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30718981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15428 + ... + 17304.

It is an arithmetic number, because the mean of its divisors is an integer number (2247966).

Almost surely, 2^30718982 is an apocalyptic number.

30718982 is a deficient number, since it is larger than the sum of its proper divisors (23232202).

30718982 is a wasteful number, since it uses less digits than its factorization.

30718982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 30718982 is about 5542.4707486824. The cubic root of 30718982 is about 313.1859517629.

The spelling of 30718982 in words is "thirty million, seven hundred eighteen thousand, nine hundred eighty-two".