73623155225818 has 32 divisors (see below), whose sum is σ = 126833962106880. Its totient is φ = 31699011582000.

The previous prime is 73623155225813. The next prime is 73623155225869. The reversal of 73623155225818 is 81852255132637.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73623155225813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10365018 + ... + 15958693.

It is an arithmetic number, because the mean of its divisors is an integer number (3963561315840).

Almost surely, 2^{73623155225818} is an apocalyptic number.

73623155225818 is a deficient number, since it is larger than the sum of its proper divisors (53210806881062).

73623155225818 is a wasteful number, since it uses less digits than its factorization.

73623155225818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26330434.

The product of its digits is 24192000, while the sum is 58.

The spelling of 73623155225818 in words is "seventy-three trillion, six hundred twenty-three billion, one hundred fifty-five million, two hundred twenty-five thousand, eight hundred eighteen".