72230247400 has 24 divisors (see below), whose sum is σ = 167935325670. Its totient is φ = 28892098880.

The previous prime is 72230247367. The next prime is 72230247407. The reversal of 72230247400 is 474203227.

It can be written as a sum of positive squares in 3 ways, for example, as 63269353156 + 8960894244 = 251534^2 + 94662^2 .

It is not an unprimeable number, because it can be changed into a prime (72230247407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180575419 + ... + 180575818.

Almost surely, 2^72230247400 is an apocalyptic number.

It is an amenable number.

72230247400 is an abundant number, since it is smaller than the sum of its proper divisors (95705078270).

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

72230247400 is a wasteful number, since it uses less digits than its factorization.

72230247400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361151253 (or 361151244 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The spelling of 72230247400 in words is "seventy-two billion, two hundred thirty million, two hundred forty-seven thousand, four hundred".