30675834 has 96 divisors (see below), whose sum is σ = 80510976. Its totient is φ = 8573040.

The previous prime is 30675797. The next prime is 30675839. The reversal of 30675834 is 43857603.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30675839) 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 47 ways as a sum of consecutive naturals, for example, 241479 + ... + 241605.

It is an arithmetic number, because the mean of its divisors is an integer number (838656).

Almost surely, 2^30675834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30675834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40255488).

30675834 is an abundant number, since it is smaller than the sum of its proper divisors (49835142).

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

30675834 is a wasteful number, since it uses less digits than its factorization.

30675834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 30675834 is about 5538.5768930295. The cubic root of 30675834 is about 313.0392489918.

The spelling of 30675834 in words is "thirty million, six hundred seventy-five thousand, eight hundred thirty-four".