72203363 has 4 divisors (see below), whose sum is σ = 76003560. Its totient is φ = 68403168.

The previous prime is 72203357. The next prime is 72203377. The reversal of 72203363 is 36330227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72203363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72203303) 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, 1900070 + ... + 1900107.

It is an arithmetic number, because the mean of its divisors is an integer number (19000890).

Almost surely, 2^72203363 is an apocalyptic number.

72203363 is a deficient number, since it is larger than the sum of its proper divisors (3800197).

72203363 is a wasteful number, since it uses less digits than its factorization.

72203363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800196.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 72203363 is about 8497.2562042109. The cubic root of 72203363 is about 416.4080742829.

The spelling of 72203363 in words is "seventy-two million, two hundred three thousand, three hundred sixty-three".