33366642 has 16 divisors (see below), whose sum is σ = 67422432. Its totient is φ = 11007360.

The previous prime is 33366623. The next prime is 33366643. The reversal of 33366642 is 24666333.

It is a super-2 number, since 2×33366642² = 2226665596712328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33366643) 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, 28084 + ... + 29247.

It is an arithmetic number, because the mean of its divisors is an integer number (4213902).

Almost surely, 2^33366642 is an apocalyptic number.

33366642 is an abundant number, since it is smaller than the sum of its proper divisors (34055790).

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

33366642 is a wasteful number, since it uses less digits than its factorization.

33366642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57433.

The product of its digits is 46656, while the sum is 33.

The square root of 33366642 is about 5776.3865867859. The cubic root of 33366642 is about 321.9369563960.

The spelling of 33366642 in words is "thirty-three million, three hundred sixty-six thousand, six hundred forty-two".