2133730 has 16 divisors (see below), whose sum is σ = 3965184. Its totient is φ = 825840.

The previous prime is 2133713. The next prime is 2133739. The reversal of 2133730 is 373312.

It is a junction number, because it is equal to n+sod(n) for n = 2133698 and 2133707.

It is not an unprimeable number, because it can be changed into a prime (2133739) 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, 3132 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (247824).

2^2133730 is an apocalyptic number.

2133730 is a deficient number, since it is larger than the sum of its proper divisors (1831454).

2133730 is a wasteful number, since it uses less digits than its factorization.

2133730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 2133730 is about 1460.7292699197. The cubic root of 2133730 is about 128.7398961500.

The spelling of 2133730 in words is "two million, one hundred thirty-three thousand, seven hundred thirty".