7242645307 has 2 divisors, whose sum is σ = 7242645308. Its totient is φ = 7242645306.

The previous prime is 7242645301. The next prime is 7242645323. The reversal of 7242645307 is 7035462427.

It is a happy number.

7242645307 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7242645307 - 2¹⁵ = 7242612539 is a prime.

It is a super-2 number, since 2×7242645307² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7242645307.

It is not a weakly prime, because it can be changed into another prime (7242645301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621322653 + 3621322654.

It is an arithmetic number, because the mean of its divisors is an integer number (3621322654).

Almost surely, 2^7242645307 is an apocalyptic number.

7242645307 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242645307 is an equidigital number, since it uses as much as digits as its factorization.

7242645307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 40.

The square root of 7242645307 is about 85103.7326267186. The cubic root of 7242645307 is about 1934.7836366013.

The spelling of 7242645307 in words is "seven billion, two hundred forty-two million, six hundred forty-five thousand, three hundred seven".