33663742 has 16 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 14408568.

The previous prime is 33663739. The next prime is 33663761. The reversal of 33663742 is 24736633.

33663742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×33663742² = 2266495050885128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33663698 and 33663707.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18259 + ... + 20017.

It is an arithmetic number, because the mean of its divisors is an integer number (3611520).

Almost surely, 2^33663742 is an apocalyptic number.

33663742 is a deficient number, since it is larger than the sum of its proper divisors (24120578).

33663742 is a wasteful number, since it uses less digits than its factorization.

33663742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135.

The product of its digits is 54432, while the sum is 34.

The square root of 33663742 is about 5802.0463631378. The cubic root of 33663742 is about 322.8896542112.

The spelling of 33663742 in words is "thirty-three million, six hundred sixty-three thousand, seven hundred forty-two".