30532842 has 32 divisors (see below), whose sum is σ = 68031360. Its totient is φ = 10150560.

The previous prime is 30532841. The next prime is 30532847. The reversal of 30532842 is 24823503.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30532841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39742 + ... + 40502.

It is an arithmetic number, because the mean of its divisors is an integer number (2125980).

Almost surely, 2^30532842 is an apocalyptic number.

30532842 is an abundant number, since it is smaller than the sum of its proper divisors (37498518).

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

30532842 is a wasteful number, since it uses less digits than its factorization.

30532842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 30532842 is about 5525.6530835730. The cubic root of 30532842 is about 312.5520920094.

The spelling of 30532842 in words is "thirty million, five hundred thirty-two thousand, eight hundred forty-two".