72322342 has 8 divisors (see below), whose sum is σ = 108531432. Its totient is φ = 36145200.

The previous prime is 72322337. The next prime is 72322357. The reversal of 72322342 is 24322327.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159 + ... + 12082.

It is an arithmetic number, because the mean of its divisors is an integer number (13566429).

Almost surely, 2^72322342 is an apocalyptic number.

72322342 is a deficient number, since it is larger than the sum of its proper divisors (36209090).

72322342 is a wasteful number, since it uses less digits than its factorization.

72322342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15974.

The product of its digits is 4032, while the sum is 25.

The square root of 72322342 is about 8504.2543470900. The cubic root of 72322342 is about 416.6366722586.

Adding to 72322342 its reverse (24322327), we get a palindrome (96644669).

The spelling of 72322342 in words is "seventy-two million, three hundred twenty-two thousand, three hundred forty-two".