2072147 has 16 divisors (see below), whose sum is σ = 2737152. Its totient is φ = 1518720.

The previous prime is 2072131. The next prime is 2072153. The reversal of 2072147 is 7412702.

It is not a de Polignac number, because 2072147 - 2⁴ = 2072131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2072117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518 + ... + 2100.

It is an arithmetic number, because the mean of its divisors is an integer number (171072).

2^2072147 is an apocalyptic number.

2072147 is a deficient number, since it is larger than the sum of its proper divisors (665005).

2072147 is a wasteful number, since it uses less digits than its factorization.

2072147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 2072147 is about 1439.4953977002. The cubic root of 2072147 is about 127.4892365642.

Adding to 2072147 its reverse (7412702), we get a palindrome (9484849).

The spelling of 2072147 in words is "two million, seventy-two thousand, one hundred forty-seven".