30669534 has 96 divisors (see below), whose sum is σ = 83566080. Its totient is φ = 7926336.

The previous prime is 30669533. The next prime is 30669539. The reversal of 30669534 is 43596603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30669533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54784 + ... + 55340.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^30669534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30669534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41783040).

30669534 is an abundant number, since it is smaller than the sum of its proper divisors (52896546).

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

30669534 is a wasteful number, since it uses less digits than its factorization.

30669534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 30669534 is about 5538.0081256712. The cubic root of 30669534 is about 313.0178175474.

The spelling of 30669534 in words is "thirty million, six hundred sixty-nine thousand, five hundred thirty-four".