72304040327 has 4 divisors (see below), whose sum is σ = 73383205176. Its totient is φ = 71224875480.

The previous prime is 72304040311. The next prime is 72304040329.

72304040327 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72304040327 - 2⁴ = 72304040311 is a prime.

It is a super-3 number, since 3×72304040327³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72304040293 and 72304040302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72304040329) 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, 539582324 + ... + 539582457.

It is an arithmetic number, because the mean of its divisors is an integer number (18345801294).

Almost surely, 2^72304040327 is an apocalyptic number.

72304040327 is a deficient number, since it is larger than the sum of its proper divisors (1079164849).

72304040327 is a wasteful number, since it uses less digits than its factorization.

72304040327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079164848.

The product of its (nonzero) digits is 28224, while the sum is 32.

It can be divided in two parts, 723040 and 40327, that added together give a palindrome (763367).

The spelling of 72304040327 in words is "seventy-two billion, three hundred four million, forty thousand, three hundred twenty-seven".