72200163 has 8 divisors (see below), whose sum is σ = 110019328. Its totient is φ = 41257224.

The previous prime is 72200159. The next prime is 72200179. The reversal of 72200163 is 36100227.

It is a happy number.

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

It is not a de Polignac number, because 72200163 - 2² = 72200159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 3438103 = 72200163 / (7 + 2 + 2 + 0 + 0 + 1 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72200143) 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, 1719031 + ... + 1719072.

It is an arithmetic number, because the mean of its divisors is an integer number (13752416).

Almost surely, 2^72200163 is an apocalyptic number.

72200163 is a deficient number, since it is larger than the sum of its proper divisors (37819165).

72200163 is a wasteful number, since it uses less digits than its factorization.

72200163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438113.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 72200163 is about 8497.0679060485. The cubic root of 72200163 is about 416.4019225587.

The spelling of 72200163 in words is "seventy-two million, two hundred thousand, one hundred sixty-three".