72482808691 has 2 divisors, whose sum is σ = 72482808692. Its totient is φ = 72482808690.

The previous prime is 72482808677. The next prime is 72482808701. The reversal of 72482808691 is 19680828427.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72482808691 is a prime.

It is a super-2 number, since 2×72482808691² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72482808631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36241404345 + 36241404346.

It is an arithmetic number, because the mean of its divisors is an integer number (36241404346).

Almost surely, 2^72482808691 is an apocalyptic number.

72482808691 is a deficient number, since it is larger than the sum of its proper divisors (1).

72482808691 is an equidigital number, since it uses as much as digits as its factorization.

72482808691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 72482808691 in words is "seventy-two billion, four hundred eighty-two million, eight hundred eight thousand, six hundred ninety-one".