2723437 has 2 divisors, whose sum is σ = 2723438. Its totient is φ = 2723436.

The previous prime is 2723431. The next prime is 2723447. The reversal of 2723437 is 7343272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 491401 = 1494^2 + 701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2723437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2723431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361718 + 1361719.

It is an arithmetic number, because the mean of its divisors is an integer number (1361719).

2^2723437 is an apocalyptic number.

It is an amenable number.

2723437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2723437 is an equidigital number, since it uses as much as digits as its factorization.

2723437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 28.

The square root of 2723437 is about 1650.2839149674. The cubic root of 2723437 is about 139.6494119056.

It can be divided in two parts, 2723 and 437, that added together give a triangular number (3160 = T₇₉).

The spelling of 2723437 in words is "two million, seven hundred twenty-three thousand, four hundred thirty-seven".