1072308647 has 2 divisors, whose sum is σ = 1072308648. Its totient is φ = 1072308646.

The previous prime is 1072308613. The next prime is 1072308649. The reversal of 1072308647 is 7468032701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1072308647 - 2⁶ = 1072308583 is a prime.

It is a super-2 number, since 2×1072308647² = 2299691668861941218, which contains 22 as substring.

Together with 1072308649, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1072308647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072308649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536154323 + 536154324.

It is an arithmetic number, because the mean of its divisors is an integer number (536154324).

Almost surely, 2^1072308647 is an apocalyptic number.

1072308647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072308647 is an equidigital number, since it uses as much as digits as its factorization.

1072308647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1072308647 is about 32746.1241523329. The cubic root of 1072308647 is about 1023.5442024493.

The spelling of 1072308647 in words is "one billion, seventy-two million, three hundred eight thousand, six hundred forty-seven".