72244342 has 8 divisors (see below), whose sum is σ = 108481032. Its totient is φ = 36084000.

The previous prime is 72244321. The next prime is 72244349. The reversal of 72244342 is 24344227.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72244342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72244349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16659 + ... + 20542.

It is an arithmetic number, because the mean of its divisors is an integer number (13560129).

Almost surely, 2^72244342 is an apocalyptic number.

72244342 is a deficient number, since it is larger than the sum of its proper divisors (36236690).

72244342 is a wasteful number, since it uses less digits than its factorization.

72244342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38174.

The product of its digits is 10752, while the sum is 28.

The square root of 72244342 is about 8499.6671699544. The cubic root of 72244342 is about 416.4868368159.

Adding to 72244342 its reverse (24344227), we get a palindrome (96588569).

The spelling of 72244342 in words is "seventy-two million, two hundred forty-four thousand, three hundred forty-two".