7938133 has 16 divisors (see below), whose sum is σ = 9846144. Its totient is φ = 6243840.

The previous prime is 7938127. The next prime is 7938149. The reversal of 7938133 is 3318397.

It is a cyclic number.

It is not a de Polignac number, because 7938133 - 2⁹ = 7937621 is a prime.

7938133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7938163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4066 + ... + 5692.

It is an arithmetic number, because the mean of its divisors is an integer number (615384).

Almost surely, 2^7938133 is an apocalyptic number.

7938133 is the 1627-th octagonal number.

It is an amenable number.

7938133 is a deficient number, since it is larger than the sum of its proper divisors (1908011).

7938133 is a wasteful number, since it uses less digits than its factorization.

7938133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692.

The product of its digits is 13608, while the sum is 34.

The square root of 7938133 is about 2817.4692544906. The cubic root of 7938133 is about 199.4831069253.

The spelling of 7938133 in words is "seven million, nine hundred thirty-eight thousand, one hundred thirty-three".