33680842 has 32 divisors (see below), whose sum is σ = 58063824. Its totient is φ = 14515200.

The previous prime is 33680839. The next prime is 33680869. The reversal of 33680842 is 24808633.

It can be written as a sum of positive squares in 8 ways, for example, as 52441 + 33628401 = 229^2 + 5799^2 .

It is a super-2 number, since 2×33680842² = 2268798235657928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 33680798 and 33680807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79792 + ... + 80212.

Almost surely, 2^33680842 is an apocalyptic number.

33680842 is a deficient number, since it is larger than the sum of its proper divisors (24382982).

33680842 is a wasteful number, since it uses less digits than its factorization.

33680842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 33680842 is about 5803.5197940560. The cubic root of 33680842 is about 322.9443171624.

The spelling of 33680842 in words is "thirty-three million, six hundred eighty thousand, eight hundred forty-two".