7427056739 has 2 divisors, whose sum is σ = 7427056740. Its totient is φ = 7427056738.

The previous prime is 7427056733. The next prime is 7427056751. The reversal of 7427056739 is 9376507247.

It is a weak prime.

It is an emirp because it is prime and its reverse (9376507247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7427056739 - 2¹² = 7427052643 is a prime.

It is a super-2 number, since 2×7427056739² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7427056733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3713528369 + 3713528370.

It is an arithmetic number, because the mean of its divisors is an integer number (3713528370).

Almost surely, 2^7427056739 is an apocalyptic number.

7427056739 is a deficient number, since it is larger than the sum of its proper divisors (1).

7427056739 is an equidigital number, since it uses as much as digits as its factorization.

7427056739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The square root of 7427056739 is about 86180.3732818558. The cubic root of 7427056739 is about 1951.0672867888.

The spelling of 7427056739 in words is "seven billion, four hundred twenty-seven million, fifty-six thousand, seven hundred thirty-nine".