2749973 has 4 divisors (see below), whose sum is σ = 2767008. Its totient is φ = 2732940.

The previous prime is 2749921. The next prime is 2749991. The reversal of 2749973 is 3799472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2749973 - 2⁸ = 2749717 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 2749973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749913) 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, 8273 + ... + 8598.

It is an arithmetic number, because the mean of its divisors is an integer number (691752).

2^2749973 is an apocalyptic number.

It is an amenable number.

2749973 is a deficient number, since it is larger than the sum of its proper divisors (17035).

2749973 is a wasteful number, since it uses less digits than its factorization.

2749973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17034.

The product of its digits is 95256, while the sum is 41.

The square root of 2749973 is about 1658.3042543514. The cubic root of 2749973 is about 140.1015080157.

It can be divided in two parts, 27499 and 73, that added together give a palindrome (27572).

The spelling of 2749973 in words is "two million, seven hundred forty-nine thousand, nine hundred seventy-three".