72612222271622 has 32 divisors (see below), whose sum is σ = 119332311190560. Its totient is φ = 32863252529920.

The previous prime is 72612222271549. The next prime is 72612222271649. The reversal of 72612222271622 is 22617222221627.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 340941704 + ... + 341154612.

It is an arithmetic number, because the mean of its divisors is an integer number (3729134724705).

Almost surely, 2^{72612222271622} is an apocalyptic number.

72612222271622 is a deficient number, since it is larger than the sum of its proper divisors (46720088918938).

72612222271622 is a wasteful number, since it uses less digits than its factorization.

72612222271622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279688.

The product of its digits is 451584, while the sum is 44.

The spelling of 72612222271622 in words is "seventy-two trillion, six hundred twelve billion, two hundred twenty-two million, two hundred seventy-one thousand, six hundred twenty-two".