72600479969 has 2 divisors, whose sum is σ = 72600479970. Its totient is φ = 72600479968.

The previous prime is 72600479957. The next prime is 72600479989. The reversal of 72600479969 is 96997400627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38850381025 + 33750098944 = 197105^2 + 183712^2 .

It is a cyclic number.

It is not a de Polignac number, because 72600479969 - 2¹² = 72600475873 is a prime.

It is a super-2 number, since 2×72600479969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72600479989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36300239984 + 36300239985.

It is an arithmetic number, because the mean of its divisors is an integer number (36300239985).

Almost surely, 2^72600479969 is an apocalyptic number.

It is an amenable number.

72600479969 is a deficient number, since it is larger than the sum of its proper divisors (1).

72600479969 is an equidigital number, since it uses as much as digits as its factorization.

72600479969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 72600479969 in words is "seventy-two billion, six hundred million, four hundred seventy-nine thousand, nine hundred sixty-nine".