2072279 has 4 divisors (see below), whose sum is σ = 2260680. Its totient is φ = 1883880.

The previous prime is 2072267. The next prime is 2072293. The reversal of 2072279 is 9722702.

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

It is a cyclic number.

It is not a de Polignac number, because 2072279 - 2⁸ = 2072023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072209) 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, 94184 + ... + 94205.

It is an arithmetic number, because the mean of its divisors is an integer number (565170).

2^2072279 is an apocalyptic number.

2072279 is a deficient number, since it is larger than the sum of its proper divisors (188401).

2072279 is a wasteful number, since it uses less digits than its factorization.

2072279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188400.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2072279 is about 1439.5412463698. The cubic root of 2072279 is about 127.4919436150.

The spelling of 2072279 in words is "two million, seventy-two thousand, two hundred seventy-nine".