33406069 has 4 divisors (see below), whose sum is σ = 33556096. Its totient is φ = 33256044.

The previous prime is 33406067. The next prime is 33406073. The reversal of 33406069 is 96060433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33406069 - 2¹ = 33406067 is a prime.

It is a super-2 number, since 2×33406069² = 2231930892065522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33406069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33406063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74679 + ... + 75124.

It is an arithmetic number, because the mean of its divisors is an integer number (8389024).

Almost surely, 2^33406069 is an apocalyptic number.

It is an amenable number.

33406069 is a deficient number, since it is larger than the sum of its proper divisors (150027).

33406069 is a wasteful number, since it uses less digits than its factorization.

33406069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150026.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 33406069 is about 5779.7983528839. The cubic root of 33406069 is about 322.0637098582.

It can be divided in two parts, 3340 and 6069, that added together give a square (9409 = 97²).

The spelling of 33406069 in words is "thirty-three million, four hundred six thousand, sixty-nine".