2137706 has 8 divisors (see below), whose sum is σ = 3317220. Its totient is φ = 1031968.

The previous prime is 2137697. The next prime is 2137717. The reversal of 2137706 is 6077312.

It can be written as a sum of positive squares in 2 ways, for example, as 2128681 + 9025 = 1459^2 + 95^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18371 + ... + 18486.

2^2137706 is an apocalyptic number.

2137706 is a deficient number, since it is larger than the sum of its proper divisors (1179514).

2137706 is a wasteful number, since it uses less digits than its factorization.

2137706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36888.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 2137706 is about 1462.0896005375. The cubic root of 2137706 is about 128.8198113244.

The spelling of 2137706 in words is "two million, one hundred thirty-seven thousand, seven hundred six".