72653442331822 has 8 divisors (see below), whose sum is σ = 118887451088472. Its totient is φ = 33024291969000.

The previous prime is 72653442331801. The next prime is 72653442331889. The reversal of 72653442331822 is 22813324435627.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72653442331822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651214598429 + ... + 1651214598472.

It is an arithmetic number, because the mean of its divisors is an integer number (14860931386059).

Almost surely, 2^{72653442331822} is an apocalyptic number.

72653442331822 is a deficient number, since it is larger than the sum of its proper divisors (46234008756650).

72653442331822 is a wasteful number, since it uses less digits than its factorization.

72653442331822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302429196914.

The product of its digits is 11612160, while the sum is 52.

The spelling of 72653442331822 in words is "seventy-two trillion, six hundred fifty-three billion, four hundred forty-two million, three hundred thirty-one thousand, eight hundred twenty-two".