72245341147 has 12 divisors (see below), whose sum is σ = 86312018800. Its totient is φ = 59232202128.

The previous prime is 72245341127. The next prime is 72245341177. The reversal of 72245341147 is 74114354227.

It is a happy number.

It is not a de Polignac number, because 72245341147 - 2³⁵ = 37885602779 is a prime.

It is a super-2 number, since 2×72245341147² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72245341127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9751272 + ... + 9758677.

Almost surely, 2^72245341147 is an apocalyptic number.

72245341147 is a deficient number, since it is larger than the sum of its proper divisors (14066677653).

72245341147 is a wasteful number, since it uses less digits than its factorization.

72245341147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19510002 (or 19509979 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The spelling of 72245341147 in words is "seventy-two billion, two hundred forty-five million, three hundred forty-one thousand, one hundred forty-seven".