30853074 has 96 divisors (see below), whose sum is σ = 79395840. Its totient is φ = 7793280.

The previous prime is 30853063. The next prime is 30853087. The reversal of 30853074 is 47035803.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 752494 + ... + 752534.

It is an arithmetic number, because the mean of its divisors is an integer number (827040).

Almost surely, 2^30853074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30853074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39697920).

30853074 is an abundant number, since it is smaller than the sum of its proper divisors (48542766).

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

30853074 is a wasteful number, since it uses less digits than its factorization.

30853074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30853074 is about 5554.5543475602. The cubic root of 30853074 is about 313.6409882498.

Adding to 30853074 its reverse (47035803), we get a palindrome (77888877).

The spelling of 30853074 in words is "thirty million, eight hundred fifty-three thousand, seventy-four".