72295641229 has 16 divisors (see below), whose sum is σ = 85620796416. Its totient is φ = 59735347200.

The previous prime is 72295641203. The next prime is 72295641241. The reversal of 72295641229 is 92214659227.

It is a cyclic number.

It is not a de Polignac number, because 72295641229 - 2²⁵ = 72262086797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72295641529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592402 + ... + 703939.

It is an arithmetic number, because the mean of its divisors is an integer number (5351299776).

Almost surely, 2^72295641229 is an apocalyptic number.

It is an amenable number.

72295641229 is a deficient number, since it is larger than the sum of its proper divisors (13325155187).

72295641229 is a wasteful number, since it uses less digits than its factorization.

72295641229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296636.

The product of its digits is 1088640, while the sum is 49.

The spelling of 72295641229 in words is "seventy-two billion, two hundred ninety-five million, six hundred forty-one thousand, two hundred twenty-nine".