33694542 has 80 divisors (see below), whose sum is σ = 88420992. Its totient is φ = 9389520.

The previous prime is 33694523. The next prime is 33694547. The reversal of 33694542 is 24549633.

It is a super-2 number, since 2×33694542² = 2270644321179528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33694497 and 33694506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33694547) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48417 + ... + 49107.

Almost surely, 2^33694542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33694542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44210496).

33694542 is an abundant number, since it is smaller than the sum of its proper divisors (54726450).

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

33694542 is a wasteful number, since it uses less digits than its factorization.

33694542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 746 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 33694542 is about 5804.6999922477. The cubic root of 33694542 is about 322.9880981087.

The spelling of 33694542 in words is "thirty-three million, six hundred ninety-four thousand, five hundred forty-two".