72300257082 has 24 divisors (see below), whose sum is σ = 159606230004. Its totient is φ = 23645366784.

The previous prime is 72300257047. The next prime is 72300257087. The reversal of 72300257082 is 28075200327.

It is a happy number.

72300257082 is a `hidden beast` number, since 7 + 2 + 3 + 0 + 0 + 2 + 570 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60246193401 + 12054063681 = 245451^2 + 109791^2 .

It is not an unprimeable number, because it can be changed into a prime (72300257087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37892263 + ... + 37894170.

Almost surely, 2^72300257082 is an apocalyptic number.

72300257082 is an abundant number, since it is smaller than the sum of its proper divisors (87305972922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72300257082 is a wasteful number, since it uses less digits than its factorization.

72300257082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75786494 (or 75786491 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 72300257082 in words is "seventy-two billion, three hundred million, two hundred fifty-seven thousand, eighty-two".