7372226513 has 4 divisors (see below), whose sum is σ = 7374725988. Its totient is φ = 7369727040.

The previous prime is 7372226507. The next prime is 7372226531. The reversal of 7372226513 is 3156222737.

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 6990297664 + 381928849 = 83608^2 + 19543^2 .

It is a cyclic number.

It is not a de Polignac number, because 7372226513 - 2²⁶ = 7305117649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7372226413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245308 + ... + 1251213.

It is an arithmetic number, because the mean of its divisors is an integer number (1843681497).

Almost surely, 2^7372226513 is an apocalyptic number.

It is an amenable number.

7372226513 is a deficient number, since it is larger than the sum of its proper divisors (2499475).

7372226513 is a wasteful number, since it uses less digits than its factorization.

7372226513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499474.

The product of its digits is 105840, while the sum is 38.

The square root of 7372226513 is about 85861.6708025182. The cubic root of 7372226513 is about 1946.2541733894.

The spelling of 7372226513 in words is "seven billion, three hundred seventy-two million, two hundred twenty-six thousand, five hundred thirteen".