72874719157 has 2 divisors, whose sum is σ = 72874719158. Its totient is φ = 72874719156.

The previous prime is 72874719119. The next prime is 72874719289. The reversal of 72874719157 is 75191747827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71845977681 + 1028741476 = 268041^2 + 32074^2 .

It is a cyclic number.

It is not a de Polignac number, because 72874719157 - 2³⁵ = 38514980789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72874719557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36437359578 + 36437359579.

It is an arithmetic number, because the mean of its divisors is an integer number (36437359579).

Almost surely, 2^72874719157 is an apocalyptic number.

It is an amenable number.

72874719157 is a deficient number, since it is larger than the sum of its proper divisors (1).

72874719157 is an equidigital number, since it uses as much as digits as its factorization.

72874719157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6914880, while the sum is 58.

The spelling of 72874719157 in words is "seventy-two billion, eight hundred seventy-four million, seven hundred nineteen thousand, one hundred fifty-seven".