72051526373 has 2 divisors, whose sum is σ = 72051526374. Its totient is φ = 72051526372.

The previous prime is 72051526321. The next prime is 72051526409. The reversal of 72051526373 is 37362515027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61393441729 + 10658084644 = 247777^2 + 103238^2 .

It is a cyclic number.

It is not a de Polignac number, because 72051526373 - 2¹⁶ = 72051460837 is a prime.

It is a super-2 number, since 2×72051526373² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72051526373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72051526073) by changing a digit.

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, 36025763186 + 36025763187.

It is an arithmetic number, because the mean of its divisors is an integer number (36025763187).

Almost surely, 2^72051526373 is an apocalyptic number.

It is an amenable number.

72051526373 is a deficient number, since it is larger than the sum of its proper divisors (1).

72051526373 is an equidigital number, since it uses as much as digits as its factorization.

72051526373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 72051526373 in words is "seventy-two billion, fifty-one million, five hundred twenty-six thousand, three hundred seventy-three".