73219512252 has 48 divisors (see below), whose sum is σ = 172058245632. Its totient is φ = 24233682240.

The previous prime is 73219512217. The next prime is 73219512257. The reversal of 73219512252 is 25221591237.

It is a super-2 number, since 2×73219512252² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73219512252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73219512257) by changing a digit.

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, 1379233 + ... + 1431335.

It is an arithmetic number, because the mean of its divisors is an integer number (3584546784).

Almost surely, 2^73219512252 is an apocalyptic number.

It is an amenable number.

73219512252 is an abundant number, since it is smaller than the sum of its proper divisors (98838733380).

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

73219512252 is a wasteful number, since it uses less digits than its factorization.

73219512252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52938 (or 52936 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

It can be divided in two parts, 732195 and 12252, that added together give a palindrome (744447).

The spelling of 73219512252 in words is "seventy-three billion, two hundred nineteen million, five hundred twelve thousand, two hundred fifty-two".