30703068 has 72 divisors (see below), whose sum is σ = 88373376. Its totient is φ = 8896800.

The previous prime is 30703067. The next prime is 30703087. The reversal of 30703068 is 86030703.

It is a happy number.

It is a super-2 number, since 2×30703068² = 1885356769225248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30703067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7423 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (1227408).

Almost surely, 2^30703068 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 30703068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44186688).

30703068 is an abundant number, since it is smaller than the sum of its proper divisors (57670308).

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

30703068 is a wasteful number, since it uses less digits than its factorization.

30703068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30703068 is about 5541.0349213843. The cubic root of 30703068 is about 313.1318603204.

The spelling of 30703068 in words is "thirty million, seven hundred three thousand, sixty-eight".