2972743 has 4 divisors (see below), whose sum is σ = 2977488. Its totient is φ = 2968000.

The previous prime is 2972741. The next prime is 2972747. The reversal of 2972743 is 3472792.

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 2972743 - 2¹ = 2972741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2972699 and 2972708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972741) 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, 1258 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (744372).

2^2972743 is an apocalyptic number.

2972743 is a deficient number, since it is larger than the sum of its proper divisors (4745).

2972743 is an equidigital number, since it uses as much as digits as its factorization.

2972743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744.

The product of its digits is 21168, while the sum is 34.

The square root of 2972743 is about 1724.1644353135. The cubic root of 2972743 is about 143.7868341652.

It can be divided in two parts, 2972 and 743, that multiplied together give a square (2208196 = 1486²).

The spelling of 2972743 in words is "two million, nine hundred seventy-two thousand, seven hundred forty-three".