72290468323 has 4 divisors (see below), whose sum is σ = 72292495720. Its totient is φ = 72288440928.

The previous prime is 72290468281. The next prime is 72290468339. The reversal of 72290468323 is 32386409227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32386409227 = 23 ⋅1408104749.

It is a cyclic number.

It is not a de Polignac number, because 72290468323 - 2¹³ = 72290460131 is a prime.

It is a super-3 number, since 3×72290468323³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72290466323) 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, 959238 + ... + 1031851.

It is an arithmetic number, because the mean of its divisors is an integer number (18073123930).

Almost surely, 2^72290468323 is an apocalyptic number.

72290468323 is a deficient number, since it is larger than the sum of its proper divisors (2027397).

72290468323 is a wasteful number, since it uses less digits than its factorization.

72290468323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027396.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 72290468323 in words is "seventy-two billion, two hundred ninety million, four hundred sixty-eight thousand, three hundred twenty-three".