72000322 has 8 divisors (see below), whose sum is σ = 108302400. Its totient is φ = 35899524.

The previous prime is 72000289. The next prime is 72000343. The reversal of 72000322 is 22300027.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72000296 and 72000305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49422 + ... + 50857.

It is an arithmetic number, because the mean of its divisors is an integer number (13537800).

Almost surely, 2^72000322 is an apocalyptic number.

72000322 is a deficient number, since it is larger than the sum of its proper divisors (36302078).

72000322 is a wasteful number, since it uses less digits than its factorization.

72000322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100640.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 72000322 is about 8485.3003482493. The cubic root of 72000322 is about 416.0173847826.

Adding to 72000322 its reverse (22300027), we get a palindrome (94300349).

The spelling of 72000322 in words is "seventy-two million, three hundred twenty-two", and thus it is an aban number.