72190203 has 8 divisors (see below), whose sum is σ = 96300816. Its totient is φ = 48103200.

The previous prime is 72190199. The next prime is 72190271. The reversal of 72190203 is 30209127.

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

It is not a de Polignac number, because 72190203 - 2² = 72190199 is a prime.

It is a super-2 number, since 2×72190203² = 10422850818362418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72190003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273 + ... + 12453.

It is an arithmetic number, because the mean of its divisors is an integer number (12037602).

Almost surely, 2^72190203 is an apocalyptic number.

72190203 is a deficient number, since it is larger than the sum of its proper divisors (24110613).

72190203 is a wasteful number, since it uses less digits than its factorization.

72190203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11805.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 72190203 is about 8496.4818013105. The cubic root of 72190203 is about 416.3827741538.

The spelling of 72190203 in words is "seventy-two million, one hundred ninety thousand, two hundred three".