2720747 has 2 divisors, whose sum is σ = 2720748. Its totient is φ = 2720746.

The previous prime is 2720737. The next prime is 2720789. The reversal of 2720747 is 7470272.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2720747 is a prime.

It is not a weakly prime, because it can be changed into another prime (2720717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360373 + 1360374.

It is an arithmetic number, because the mean of its divisors is an integer number (1360374).

2^2720747 is an apocalyptic number.

2720747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720747 is an equidigital number, since it uses as much as digits as its factorization.

2720747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 2720747 is about 1649.4687023402. The cubic root of 2720747 is about 139.6034184706.

The spelling of 2720747 in words is "two million, seven hundred twenty thousand, seven hundred forty-seven".