72671400007 has 2 divisors, whose sum is σ = 72671400008. Its totient is φ = 72671400006.

The previous prime is 72671399993. The next prime is 72671400031. The reversal of 72671400007 is 70000417627.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72671400007 - 2¹⁵ = 72671367239 is a prime.

It is a super-2 number, since 2×72671400007² (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 (72671400107) 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, 36335700003 + 36335700004.

It is an arithmetic number, because the mean of its divisors is an integer number (36335700004).

Almost surely, 2^72671400007 is an apocalyptic number.

72671400007 is a deficient number, since it is larger than the sum of its proper divisors (1).

72671400007 is an equidigital number, since it uses as much as digits as its factorization.

72671400007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 34.

The spelling of 72671400007 in words is "seventy-two billion, six hundred seventy-one million, four hundred thousand, seven".