30213742 has 8 divisors (see below), whose sum is σ = 48806856. Its totient is φ = 13944792.

The previous prime is 30213739. The next prime is 30213749. The reversal of 30213742 is 24731203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213749) 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 3 ways as a sum of consecutive naturals, for example, 581008 + ... + 581059.

It is an arithmetic number, because the mean of its divisors is an integer number (6100857).

Almost surely, 2^30213742 is an apocalyptic number.

30213742 is a deficient number, since it is larger than the sum of its proper divisors (18593114).

30213742 is a wasteful number, since it uses less digits than its factorization.

30213742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162082.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30213742 is about 5496.7028298790. The cubic root of 30213742 is about 311.4594450577.

Adding to 30213742 its reverse (24731203), we get a palindrome (54944945).

The spelling of 30213742 in words is "thirty million, two hundred thirteen thousand, seven hundred forty-two".