72200158 has 4 divisors (see below), whose sum is σ = 108300240. Its totient is φ = 36100078.

The previous prime is 72200143. The next prime is 72200159. The reversal of 72200158 is 85100227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85100227 = 181 ⋅470167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72200159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18050038 + ... + 18050041.

It is an arithmetic number, because the mean of its divisors is an integer number (27075060).

Almost surely, 2^72200158 is an apocalyptic number.

72200158 is a deficient number, since it is larger than the sum of its proper divisors (36100082).

72200158 is a wasteful number, since it uses less digits than its factorization.

72200158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36100081.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 72200158 is about 8497.0676118294. The cubic root of 72200158 is about 416.4019129465.

The spelling of 72200158 in words is "seventy-two million, two hundred thousand, one hundred fifty-eight".