72204353 has 16 divisors (see below), whose sum is σ = 81740736. Its totient is φ = 63322560.

The previous prime is 72204347. The next prime is 72204367. The reversal of 72204353 is 35340227.

It is a cyclic number.

It is not a de Polignac number, because 72204353 - 2¹⁸ = 71942209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72206353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18938 + ... + 22428.

It is an arithmetic number, because the mean of its divisors is an integer number (5108796).

Almost surely, 2^72204353 is an apocalyptic number.

It is an amenable number.

72204353 is a deficient number, since it is larger than the sum of its proper divisors (9536383).

72204353 is a wasteful number, since it uses less digits than its factorization.

72204353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 72204353 is about 8497.3144581097. The cubic root of 72204353 is about 416.4099774358.

The spelling of 72204353 in words is "seventy-two million, two hundred four thousand, three hundred fifty-three".