72000078000007 has 2 divisors, whose sum is σ = 72000078000008. Its totient is φ = 72000078000006.

The previous prime is 72000077999981. The next prime is 72000078000029. The reversal of 72000078000007 is 70000087000027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72000078000007 - 2¹⁵ = 72000077967239 is a prime.

It is a super-2 number, since 2×72000078000007² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72000078000077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36000039000003 + 36000039000004.

It is an arithmetic number, because the mean of its divisors is an integer number (36000039000004).

Almost surely, 2^{72000078000007} is an apocalyptic number.

72000078000007 is a deficient number, since it is larger than the sum of its proper divisors (1).

72000078000007 is an equidigital number, since it uses as much as digits as its factorization.

72000078000007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5488, while the sum is 31.

The spelling of 72000078000007 in words is "seventy-two trillion, seventy-eight million, seven", and thus it is an aban number and an uban number.