72572222470 has 64 divisors (see below), whose sum is σ = 149076417600. Its totient is φ = 25193512960.

The previous prime is 72572222447. The next prime is 72572222473. The reversal of 72572222470 is 7422227527.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72572222473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156102 + ... + 411718.

It is an arithmetic number, because the mean of its divisors is an integer number (2329319025).

Almost surely, 2^72572222470 is an apocalyptic number.

72572222470 is an abundant number, since it is smaller than the sum of its proper divisors (76504195130).

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

72572222470 is a wasteful number, since it uses less digits than its factorization.

72572222470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255753.

The product of its (nonzero) digits is 219520, while the sum is 40.

Adding to 72572222470 its reverse (7422227527), we get a palindrome (79994449997).

The spelling of 72572222470 in words is "seventy-two billion, five hundred seventy-two million, two hundred twenty-two thousand, four hundred seventy".