30573842 has 16 divisors (see below), whose sum is σ = 50128512. Its totient is φ = 13899600.

The previous prime is 30573841. The next prime is 30573883. The reversal of 30573842 is 24837503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30573799 and 30573808.

It is not an unprimeable number, because it can be changed into a prime (30573841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7034 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (3133032).

Almost surely, 2^30573842 is an apocalyptic number.

30573842 is a deficient number, since it is larger than the sum of its proper divisors (19554670).

30573842 is a wasteful number, since it uses less digits than its factorization.

30573842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17633.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 30573842 is about 5529.3618076592. The cubic root of 30573842 is about 312.6919294577.

It can be divided in two parts, 305 and 73842, that added together give a palindrome (74147).

The spelling of 30573842 in words is "thirty million, five hundred seventy-three thousand, eight hundred forty-two".