2070681 has 8 divisors (see below), whose sum is σ = 2767584. Its totient is φ = 1377120.

The previous prime is 2070661. The next prime is 2070709. The reversal of 2070681 is 1860702.

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

It is not a de Polignac number, because 2070681 - 2⁷ = 2070553 is a prime.

It is a super-2 number, since 2×2070681² = 8575439607522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2070611) 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, 1830 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (345948).

2^2070681 is an apocalyptic number.

It is an amenable number.

2070681 is a deficient number, since it is larger than the sum of its proper divisors (696903).

2070681 is an equidigital number, since it uses as much as digits as its factorization.

2070681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2070681 is about 1438.9861013922. The cubic root of 2070681 is about 127.4591641620.

The spelling of 2070681 in words is "two million, seventy thousand, six hundred eighty-one".