72041622 has 8 divisors (see below), whose sum is σ = 144083256. Its totient is φ = 24013872.

The previous prime is 72041621. The next prime is 72041623. The reversal of 72041622 is 22614027.

It is an interprime number because it is at equal distance from previous prime (72041621) and next prime (72041623).

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

72041622 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 72041592 and 72041601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72041621) 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, 6003463 + ... + 6003474.

It is an arithmetic number, because the mean of its divisors is an integer number (18010407).

Almost surely, 2^72041622 is an apocalyptic number.

72041622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72041622 is a wasteful number, since it uses less digits than its factorization.

72041622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12006942.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 72041622 is about 8487.7336197598. The cubic root of 72041622 is about 416.0969132875.

Adding to 72041622 its reverse (22614027), we get a palindrome (94655649).

The spelling of 72041622 in words is "seventy-two million, forty-one thousand, six hundred twenty-two".