72265275158 has 4 divisors (see below), whose sum is σ = 108397912740. Its totient is φ = 36132637578.

The previous prime is 72265275149. The next prime is 72265275169. The reversal of 72265275158 is 85157256227.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×72265275158² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 18066318788 + ... + 18066318791.

It is an arithmetic number, because the mean of its divisors is an integer number (27099478185).

Almost surely, 2^72265275158 is an apocalyptic number.

72265275158 is a deficient number, since it is larger than the sum of its proper divisors (36132637582).

72265275158 is a wasteful number, since it uses less digits than its factorization.

72265275158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36132637581.

The product of its digits is 2352000, while the sum is 50.

The spelling of 72265275158 in words is "seventy-two billion, two hundred sixty-five million, two hundred seventy-five thousand, one hundred fifty-eight".