72275259602 has 54 divisors (see below), whose sum is σ = 136625582223. Its totient is φ = 28578723264.

The previous prime is 72275259601. The next prime is 72275259619. The reversal of 72275259602 is 20695257227.

It can be written as a sum of positive squares in 5 ways, for example, as 39235290241 + 33039969361 = 198079^2 + 181769^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=190099.

It is not an unprimeable number, because it can be changed into a prime (72275259601) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34596974 + ... + 34599062.

Almost surely, 2^72275259602 is an apocalyptic number.

72275259602 is a deficient number, since it is larger than the sum of its proper divisors (64350322621).

72275259602 is an equidigital number, since it uses as much as digits as its factorization.

72275259602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 72275259602 in words is "seventy-two billion, two hundred seventy-five million, two hundred fifty-nine thousand, six hundred two".