72000078000022 has 8 divisors (see below), whose sum is σ = 112695774260976. Its totient is φ = 34434819913032.

The previous prime is 72000078000007. The next prime is 72000078000029. The reversal of 72000078000022 is 22000087000027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72000078000022² (a number of 29 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 72000078000022 parts by 12000006 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72000078000029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782609543433 + ... + 782609543524.

It is an arithmetic number, because the mean of its divisors is an integer number (14086971782622).

Almost surely, 2^{72000078000022} is an apocalyptic number.

72000078000022 is a deficient number, since it is larger than the sum of its proper divisors (40695696260954).

72000078000022 is a wasteful number, since it uses less digits than its factorization.

72000078000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565219086982.

The product of its (nonzero) digits is 3136, while the sum is 28.

The spelling of 72000078000022 in words is "seventy-two trillion, seventy-eight million, twenty-two", and thus it is an aban number and an uban number.