72002646707 has 2 divisors, whose sum is σ = 72002646708. Its totient is φ = 72002646706.

The previous prime is 72002646701. The next prime is 72002646721. The reversal of 72002646707 is 70764620027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72002646707 - 2⁶ = 72002646643 is a prime.

It is a super-2 number, since 2×72002646707² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72002646701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36001323353 + 36001323354.

It is an arithmetic number, because the mean of its divisors is an integer number (36001323354).

Almost surely, 2^72002646707 is an apocalyptic number.

72002646707 is a deficient number, since it is larger than the sum of its proper divisors (1).

72002646707 is an equidigital number, since it uses as much as digits as its factorization.

72002646707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 72002646707 in words is "seventy-two billion, two million, six hundred forty-six thousand, seven hundred seven".