72203606 has 8 divisors (see below), whose sum is σ = 108365880. Its totient is φ = 36081648.

The previous prime is 72203603. The next prime is 72203623. The reversal of 72203606 is 60630227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72203603) 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, 5111 + ... + 13058.

It is an arithmetic number, because the mean of its divisors is an integer number (13545735).

Almost surely, 2^72203606 is an apocalyptic number.

72203606 is a deficient number, since it is larger than the sum of its proper divisors (36162274).

72203606 is a wasteful number, since it uses less digits than its factorization.

72203606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20158.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 72203606 is about 8497.2705029321. The cubic root of 72203606 is about 416.4085414221.

The spelling of 72203606 in words is "seventy-two million, two hundred three thousand, six hundred six".