72167127007 has 2 divisors, whose sum is σ = 72167127008. Its totient is φ = 72167127006.

The previous prime is 72167126981. The next prime is 72167127059. The reversal of 72167127007 is 70072176127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72167127007 - 2⁷ = 72167126879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72167127107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36083563503 + 36083563504.

It is an arithmetic number, because the mean of its divisors is an integer number (36083563504).

Almost surely, 2^72167127007 is an apocalyptic number.

72167127007 is a deficient number, since it is larger than the sum of its proper divisors (1).

72167127007 is an equidigital number, since it uses as much as digits as its factorization.

72167127007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57624, while the sum is 40.

The spelling of 72167127007 in words is "seventy-two billion, one hundred sixty-seven million, one hundred twenty-seven thousand, seven".