72951667395 has 16 divisors (see below), whose sum is σ = 116962356480. Its totient is φ = 38827659744.

The previous prime is 72951667391. The next prime is 72951667403. The reversal of 72951667395 is 59376615927.

It is not a de Polignac number, because 72951667395 - 2² = 72951667391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72951667391) 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, 4985965 + ... + 5000574.

It is an arithmetic number, because the mean of its divisors is an integer number (7310147280).

Almost surely, 2^72951667395 is an apocalyptic number.

72951667395 is a deficient number, since it is larger than the sum of its proper divisors (44010689085).

72951667395 is a wasteful number, since it uses less digits than its factorization.

72951667395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9987034.

The product of its digits is 21432600, while the sum is 60.

The spelling of 72951667395 in words is "seventy-two billion, nine hundred fifty-one million, six hundred sixty-seven thousand, three hundred ninety-five".