72600000769 has 2 divisors, whose sum is σ = 72600000770. Its totient is φ = 72600000768.

The previous prime is 72600000731. The next prime is 72600000793. The reversal of 72600000769 is 96700000627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53772044544 + 18827956225 = 231888^2 + 137215^2 .

It is a cyclic number.

It is not a de Polignac number, because 72600000769 - 2¹¹ = 72599998721 is a prime.

It is a super-2 number, since 2×72600000769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72600000719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36300000384 + 36300000385.

It is an arithmetic number, because the mean of its divisors is an integer number (36300000385).

Almost surely, 2^72600000769 is an apocalyptic number.

It is an amenable number.

72600000769 is a deficient number, since it is larger than the sum of its proper divisors (1).

72600000769 is an equidigital number, since it uses as much as digits as its factorization.

72600000769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 72600000769 in words is "seventy-two billion, six hundred million, seven hundred sixty-nine", and thus it is an aban number.