72342352 has 20 divisors (see below), whose sum is σ = 140297940. Its totient is φ = 36136448.

The previous prime is 72342317. The next prime is 72342373. The reversal of 72342352 is 25324327.

It can be written as a sum of positive squares in 2 ways, for example, as 33454656 + 38887696 = 5784^2 + 6236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72342352.

It is a congruent number.

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, 26424 + ... + 29032.

It is an arithmetic number, because the mean of its divisors is an integer number (7014897).

Almost surely, 2^72342352 is an apocalyptic number.

It is an amenable number.

72342352 is a deficient number, since it is larger than the sum of its proper divisors (67955588).

72342352 is a wasteful number, since it uses less digits than its factorization.

72342352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350 (or 4344 counting only the distinct ones).

The product of its digits is 10080, while the sum is 28.

The square root of 72342352 is about 8505.4307357123. The cubic root of 72342352 is about 416.6750934474.

Adding to 72342352 its reverse (25324327), we get a palindrome (97666679).

The spelling of 72342352 in words is "seventy-two million, three hundred forty-two thousand, three hundred fifty-two".