7245675535729 has 4 divisors (see below), whose sum is σ = 7246557120240. Its totient is φ = 7244793951220.

The previous prime is 7245675535723. The next prime is 7245675535741. The reversal of 7245675535729 is 9275355765427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7245675535729 - 2³¹ = 7243528052081 is a prime.

It is a super-2 number, since 2×7245675535729² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7245675535723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440779927 + ... + 440796364.

It is an arithmetic number, because the mean of its divisors is an integer number (1811639280060).

Almost surely, 2^{7245675535729} is an apocalyptic number.

It is an amenable number.

7245675535729 is a deficient number, since it is larger than the sum of its proper divisors (881584511).

7245675535729 is an equidigital number, since it uses as much as digits as its factorization.

7245675535729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881584510.

The product of its digits is 555660000, while the sum is 67.

The spelling of 7245675535729 in words is "seven trillion, two hundred forty-five billion, six hundred seventy-five million, five hundred thirty-five thousand, seven hundred twenty-nine".