30827690 has 16 divisors (see below), whose sum is σ = 58410720. Its totient is φ = 11682000.

The previous prime is 30827651. The next prime is 30827711. The reversal of 30827690 is 9672803.

It is a super-2 number, since 2×30827690² = 1900692941472200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30827690.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80936 + ... + 81315.

It is an arithmetic number, because the mean of its divisors is an integer number (3650670).

Almost surely, 2^30827690 is an apocalyptic number.

30827690 is a deficient number, since it is larger than the sum of its proper divisors (27583030).

30827690 is a wasteful number, since it uses less digits than its factorization.

30827690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162277.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 30827690 is about 5552.2689055917. The cubic root of 30827690 is about 313.5549498511.

The spelling of 30827690 in words is "thirty million, eight hundred twenty-seven thousand, six hundred ninety".