33990007 has 4 divisors (see below), whose sum is σ = 34007616. Its totient is φ = 33972400.

The previous prime is 33989983. The next prime is 33990037. The reversal of 33990007 is 70009933.

33990007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70009933 = 7 ⋅10001419.

It is a cyclic number.

It is not a de Polignac number, because 33990007 - 2¹⁵ = 33957239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33990037) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5494 + ... + 9907.

It is an arithmetic number, because the mean of its divisors is an integer number (8501904).

Almost surely, 2^33990007 is an apocalyptic number.

33990007 is a deficient number, since it is larger than the sum of its proper divisors (17609).

33990007 is a wasteful number, since it uses less digits than its factorization.

33990007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 33990007 is about 5830.0949391927. The cubic root of 33990007 is about 323.9294383504.

The spelling of 33990007 in words is "thirty-three million, nine hundred ninety thousand, seven".