72603295867 has 2 divisors, whose sum is σ = 72603295868. Its totient is φ = 72603295866.

The previous prime is 72603295861. The next prime is 72603295901. The reversal of 72603295867 is 76859230627.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72603295867 is a prime.

It is a super-2 number, since 2×72603295867² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72603295861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36301647933 + 36301647934.

It is an arithmetic number, because the mean of its divisors is an integer number (36301647934).

Almost surely, 2^72603295867 is an apocalyptic number.

72603295867 is a deficient number, since it is larger than the sum of its proper divisors (1).

72603295867 is an equidigital number, since it uses as much as digits as its factorization.

72603295867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 55.

It can be divided in two parts, 726032958 and 67, that added together give a square (726033025 = 26945²).

The spelling of 72603295867 in words is "seventy-two billion, six hundred three million, two hundred ninety-five thousand, eight hundred sixty-seven".