2072667 has 4 divisors (see below), whose sum is σ = 2763560. Its totient is φ = 1381776.

The previous prime is 2072663. The next prime is 2072683. The reversal of 2072667 is 7662702.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2072667 - 2² = 2072663 is a prime.

It is a D-number.

It is a Duffinian number.

2072667 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2072663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345442 + ... + 345447.

It is an arithmetic number, because the mean of its divisors is an integer number (690890).

2^2072667 is an apocalyptic number.

2072667 is a deficient number, since it is larger than the sum of its proper divisors (690893).

2072667 is an equidigital number, since it uses as much as digits as its factorization.

2072667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690892.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 2072667 is about 1439.6760052178. The cubic root of 2072667 is about 127.4999000384.

The spelling of 2072667 in words is "two million, seventy-two thousand, six hundred sixty-seven".