7345127645 has 4 divisors (see below), whose sum is σ = 8814153180. Its totient is φ = 5876102112.

The previous prime is 7345127641. The next prime is 7345127653. The reversal of 7345127645 is 5467215437.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 758506681 + 6586620964 = 27541^2 + 81158^2 .

It is a cyclic number.

It is not a de Polignac number, because 7345127645 - 2² = 7345127641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7345127596 and 7345127605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7345127641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734512760 + ... + 734512769.

It is an arithmetic number, because the mean of its divisors is an integer number (2203538295).

Almost surely, 2^7345127645 is an apocalyptic number.

It is an amenable number.

7345127645 is a deficient number, since it is larger than the sum of its proper divisors (1469025535).

7345127645 is a wasteful number, since it uses less digits than its factorization.

7345127645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469025534.

The product of its digits is 705600, while the sum is 44.

The square root of 7345127645 is about 85703.7201351260. The cubic root of 7345127645 is about 1943.8665618419.

The spelling of 7345127645 in words is "seven billion, three hundred forty-five million, one hundred twenty-seven thousand, six hundred forty-five".