30739068 has 48 divisors (see below), whose sum is σ = 80092320. Its totient is φ = 10195200.

The previous prime is 30739057. The next prime is 30739069. The reversal of 30739068 is 86093703.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30739069) 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, 25438 + ... + 26618.

It is an arithmetic number, because the mean of its divisors is an integer number (1668590).

Almost surely, 2^30739068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30739068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40046160).

30739068 is an abundant number, since it is smaller than the sum of its proper divisors (49353252).

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

30739068 is a wasteful number, since it uses less digits than its factorization.

30739068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 30739068 is about 5544.2824603370. The cubic root of 30739068 is about 313.2541971065.

The spelling of 30739068 in words is "thirty million, seven hundred thirty-nine thousand, sixty-eight".