72200157 has 4 divisors (see below), whose sum is σ = 96266880. Its totient is φ = 48133436.

The previous prime is 72200143. The next prime is 72200159. The reversal of 72200157 is 75100227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72200157 - 2²³ = 63811549 is a prime.

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 in 3 ways as a sum of consecutive naturals, for example, 12033357 + ... + 12033362.

It is an arithmetic number, because the mean of its divisors is an integer number (24066720).

Almost surely, 2^72200157 is an apocalyptic number.

It is an amenable number.

72200157 is a deficient number, since it is larger than the sum of its proper divisors (24066723).

72200157 is a wasteful number, since it uses less digits than its factorization.

72200157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24066722.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 72200157 is about 8497.0675529856. The cubic root of 72200157 is about 416.4019110241.

The spelling of 72200157 in words is "seventy-two million, two hundred thousand, one hundred fifty-seven".