72061322 has 8 divisors (see below), whose sum is σ = 108755616. Its totient is φ = 35809452.

The previous prime is 72061321. The next prime is 72061333. The reversal of 72061322 is 22316027.

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

It is not an unprimeable number, because it can be changed into a prime (72061321) 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 3 ways as a sum of consecutive naturals, for example, 110198 + ... + 110849.

It is an arithmetic number, because the mean of its divisors is an integer number (13594452).

Almost surely, 2^72061322 is an apocalyptic number.

72061322 is a deficient number, since it is larger than the sum of its proper divisors (36694294).

72061322 is a wasteful number, since it uses less digits than its factorization.

72061322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221212.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 72061322 is about 8488.8940386837. The cubic root of 72061322 is about 416.1348374851.

Adding to 72061322 its reverse (22316027), we get a palindrome (94377349).

The spelling of 72061322 in words is "seventy-two million, sixty-one thousand, three hundred twenty-two".