72265082831 has 2 divisors, whose sum is σ = 72265082832. Its totient is φ = 72265082830.

The previous prime is 72265082821. The next prime is 72265082843. The reversal of 72265082831 is 13828056227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72265082831 - 2⁶ = 72265082767 is a prime.

It is a super-2 number, since 2×72265082831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72265082821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36132541415 + 36132541416.

It is an arithmetic number, because the mean of its divisors is an integer number (36132541416).

Almost surely, 2^72265082831 is an apocalyptic number.

72265082831 is a deficient number, since it is larger than the sum of its proper divisors (1).

72265082831 is an equidigital number, since it uses as much as digits as its factorization.

72265082831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 72265082831 in words is "seventy-two billion, two hundred sixty-five million, eighty-two thousand, eight hundred thirty-one".