2072749 has 8 divisors (see below), whose sum is σ = 2417600. Its totient is φ = 1776348.

The previous prime is 2072743. The next prime is 2072773. The reversal of 2072749 is 9472702.

It is a happy number.

It is not a de Polignac number, because 2072749 - 2¹⁵ = 2039981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2072749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072743) 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, 2679 + ... + 3364.

It is an arithmetic number, because the mean of its divisors is an integer number (302200).

2^2072749 is an apocalyptic number.

It is an amenable number.

2072749 is a deficient number, since it is larger than the sum of its proper divisors (344851).

2072749 is an frugal number, since it uses more digits than its factorization.

2072749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064 (or 6050 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2072749 is about 1439.7044835660. The cubic root of 2072749 is about 127.5015814234.

The spelling of 2072749 in words is "two million, seventy-two thousand, seven hundred forty-nine".