30680802 has 16 divisors (see below), whose sum is σ = 68179680. Its totient is φ = 10226916.

The previous prime is 30680789. The next prime is 30680803. The reversal of 30680802 is 20808603.

It is a super-2 number, since 2×30680802² = 1882623222726408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30680803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284028 + ... + 284135.

It is an arithmetic number, because the mean of its divisors is an integer number (4261230).

Almost surely, 2^30680802 is an apocalyptic number.

30680802 is an abundant number, since it is smaller than the sum of its proper divisors (37498878).

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

30680802 is a wasteful number, since it uses less digits than its factorization.

30680802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568174 (or 568168 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 30680802 is about 5539.0253655314. The cubic root of 30680802 is about 313.0561471473.

The spelling of 30680802 in words is "thirty million, six hundred eighty thousand, eight hundred two".