72412063457 has 2 divisors, whose sum is σ = 72412063458. Its totient is φ = 72412063456.

The previous prime is 72412063453. The next prime is 72412063459. The reversal of 72412063457 is 75436021427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65822520481 + 6589542976 = 256559^2 + 81176^2 .

It is a cyclic number.

It is not a de Polignac number, because 72412063457 - 2² = 72412063453 is a prime.

Together with 72412063459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72412063453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36206031728 + 36206031729.

It is an arithmetic number, because the mean of its divisors is an integer number (36206031729).

Almost surely, 2^72412063457 is an apocalyptic number.

It is an amenable number.

72412063457 is a deficient number, since it is larger than the sum of its proper divisors (1).

72412063457 is an equidigital number, since it uses as much as digits as its factorization.

72412063457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 72412063457 in words is "seventy-two billion, four hundred twelve million, sixty-three thousand, four hundred fifty-seven".