1072744247 has 2 divisors, whose sum is σ = 1072744248. Its totient is φ = 1072744246.

The previous prime is 1072744201. The next prime is 1072744291. The reversal of 1072744247 is 7424472701.

It is a strong prime.

It is an emirp because it is prime and its reverse (7424472701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1072744247 - 2²⁰ = 1071695671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1072744247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072744147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536372123 + 536372124.

It is an arithmetic number, because the mean of its divisors is an integer number (536372124).

Almost surely, 2^1072744247 is an apocalyptic number.

1072744247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072744247 is an equidigital number, since it uses as much as digits as its factorization.

1072744247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 38.

The square root of 1072744247 is about 32752.7746458220. The cubic root of 1072744247 is about 1023.6827805526.

The spelling of 1072744247 in words is "one billion, seventy-two million, seven hundred forty-four thousand, two hundred forty-seven".