72702658141 has 2 divisors, whose sum is σ = 72702658142. Its totient is φ = 72702658140.

The previous prime is 72702658121. The next prime is 72702658157. The reversal of 72702658141 is 14185620727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62103132025 + 10599526116 = 249205^2 + 102954^2 .

It is a cyclic number.

It is not a de Polignac number, because 72702658141 - 2⁵ = 72702658109 is a prime.

It is a super-2 number, since 2×72702658141² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72702658121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36351329070 + 36351329071.

It is an arithmetic number, because the mean of its divisors is an integer number (36351329071).

Almost surely, 2^72702658141 is an apocalyptic number.

It is an amenable number.

72702658141 is a deficient number, since it is larger than the sum of its proper divisors (1).

72702658141 is an equidigital number, since it uses as much as digits as its factorization.

72702658141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 72702658141 in words is "seventy-two billion, seven hundred two million, six hundred fifty-eight thousand, one hundred forty-one".