72204342 has 24 divisors (see below), whose sum is σ = 167986296. Its totient is φ = 20629728.

The previous prime is 72204281. The next prime is 72204347. The reversal of 72204342 is 24340227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72204347) 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 11 ways as a sum of consecutive naturals, for example, 122503 + ... + 123090.

It is an arithmetic number, because the mean of its divisors is an integer number (6999429).

Almost surely, 2^72204342 is an apocalyptic number.

72204342 is an abundant number, since it is smaller than the sum of its proper divisors (95781954).

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

72204342 is a wasteful number, since it uses less digits than its factorization.

72204342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245612 (or 245605 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 72204342 is about 8497.3138108463. The cubic root of 72204342 is about 416.4099562897.

Adding to 72204342 its reverse (24340227), we get a palindrome (96544569).

The spelling of 72204342 in words is "seventy-two million, two hundred four thousand, three hundred forty-two".