72210223076804 has 6 divisors (see below), whose sum is σ = 126367890384414. Its totient is φ = 36105111538400.

The previous prime is 72210223076801. The next prime is 72210223076821. The reversal of 72210223076804 is 40867032201227.

It can be written as a sum of positive squares in only one way, i.e., 38196132811204 + 34014090265600 = 6180302^2 + 5832160^2 .

It is not an unprimeable number, because it can be changed into a prime (72210223076801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9026277884597 + ... + 9026277884604.

It is an arithmetic number, because the mean of its divisors is an integer number (21061315064069).

Almost surely, 2^{72210223076804} is an apocalyptic number.

It is an amenable number.

72210223076804 is a deficient number, since it is larger than the sum of its proper divisors (54157667307610).

72210223076804 is a wasteful number, since it uses less digits than its factorization.

72210223076804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18052555769205 (or 18052555769203 counting only the distinct ones).

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

The spelling of 72210223076804 in words is "seventy-two trillion, two hundred ten billion, two hundred twenty-three million, seventy-six thousand, eight hundred four".