72272083390 has 32 divisors (see below), whose sum is σ = 140117836320. Its totient is φ = 26681042304.

The previous prime is 72272083327. The next prime is 72272083417. The reversal of 72272083390 is 9338027227.

It is a super-2 number, since 2×72272083390² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902401 + ... + 979219.

It is an arithmetic number, because the mean of its divisors is an integer number (4378682385).

Almost surely, 2^72272083390 is an apocalyptic number.

72272083390 is a deficient number, since it is larger than the sum of its proper divisors (67845752930).

72272083390 is a wasteful number, since it uses less digits than its factorization.

72272083390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84076.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 72272083390 in words is "seventy-two billion, two hundred seventy-two million, eighty-three thousand, three hundred ninety".