72874719251 has 4 divisors (see below), whose sum is σ = 72879394104. Its totient is φ = 72870044400.

The previous prime is 72874719157. The next prime is 72874719289. The reversal of 72874719251 is 15291747827.

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

It is a cyclic number.

It is not a de Polignac number, because 72874719251 - 2³⁰ = 71800977427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72874719193 and 72874719202.

It is not an unprimeable number, because it can be changed into a prime (72874719751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313965 + ... + 2345246.

It is an arithmetic number, because the mean of its divisors is an integer number (18219848526).

Almost surely, 2^72874719251 is an apocalyptic number.

72874719251 is a deficient number, since it is larger than the sum of its proper divisors (4674853).

72874719251 is a wasteful number, since it uses less digits than its factorization.

72874719251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674852.

The product of its digits is 1975680, while the sum is 53.

The spelling of 72874719251 in words is "seventy-two billion, eight hundred seventy-four million, seven hundred nineteen thousand, two hundred fifty-one".