72213433152 has 112 divisors (see below), whose sum is σ = 229852362240. Its totient is φ = 19546486272.

The previous prime is 72213433141. The next prime is 72213433157. The reversal of 72213433152 is 25133431227.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72213433157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388418 + ... + 1439489.

Almost surely, 2^72213433152 is an apocalyptic number.

It is an amenable number.

72213433152 is an abundant number, since it is smaller than the sum of its proper divisors (157638929088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72213433152 is a wasteful number, since it uses less digits than its factorization.

72213433152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827948 (or 2827938 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

Adding to 72213433152 its reverse (25133431227), we get a palindrome (97346864379).

The spelling of 72213433152 in words is "seventy-two billion, two hundred thirteen million, four hundred thirty-three thousand, one hundred fifty-two".