30716042 has 48 divisors (see below), whose sum is σ = 57620160. Its totient is φ = 12200832.

The previous prime is 30716039. The next prime is 30716053. The reversal of 30716042 is 24061703.

It is a super-2 number, since 2×30716042² = 1886950472291528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30715999 and 30716017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171509 + ... + 171687.

It is an arithmetic number, because the mean of its divisors is an integer number (1200420).

Almost surely, 2^30716042 is an apocalyptic number.

30716042 is a deficient number, since it is larger than the sum of its proper divisors (26904118).

30716042 is a wasteful number, since it uses less digits than its factorization.

30716042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 30716042 is about 5542.2055176617. The cubic root of 30716042 is about 313.1759601549.

Adding to 30716042 its reverse (24061703), we get a palindrome (54777745).

The spelling of 30716042 in words is "thirty million, seven hundred sixteen thousand, forty-two".