72325442 has 8 divisors (see below), whose sum is σ = 123986496. Its totient is φ = 30996612.

The previous prime is 72325439. The next prime is 72325447. The reversal of 72325442 is 24452327.

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 (72325447) 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, 2583038 + ... + 2583065.

It is an arithmetic number, because the mean of its divisors is an integer number (15498312).

Almost surely, 2^72325442 is an apocalyptic number.

72325442 is a deficient number, since it is larger than the sum of its proper divisors (51661054).

72325442 is a wasteful number, since it uses less digits than its factorization.

72325442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166112.

The product of its digits is 13440, while the sum is 29.

The square root of 72325442 is about 8504.4366068541. The cubic root of 72325442 is about 416.6426250306.

Adding to 72325442 its reverse (24452327), we get a palindrome (96777769).

The spelling of 72325442 in words is "seventy-two million, three hundred twenty-five thousand, four hundred forty-two".