72274038530 has 8 divisors (see below), whose sum is σ = 130093269372. Its totient is φ = 28909615408.

The previous prime is 72274038517. The next prime is 72274038539. The reversal of 72274038530 is 3583047227.

It can be written as a sum of positive squares in 2 ways, for example, as 67004875609 + 5269162921 = 258853^2 + 72589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (72274038539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3613701917 + ... + 3613701936.

Almost surely, 2^72274038530 is an apocalyptic number.

72274038530 is a deficient number, since it is larger than the sum of its proper divisors (57819230842).

72274038530 is a wasteful number, since it uses less digits than its factorization.

72274038530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227403860.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 72274038530 in words is "seventy-two billion, two hundred seventy-four million, thirty-eight thousand, five hundred thirty".