72345654327 has 8 divisors (see below), whose sum is σ = 98513231616. Its totient is φ = 47204256632.

The previous prime is 72345654301. The next prime is 72345654331.

72345654327 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 72345654327 - 2⁶ = 72345654263 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72345650327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256544733 + ... + 256545014.

It is an arithmetic number, because the mean of its divisors is an integer number (12314153952).

Almost surely, 2^72345654327 is an apocalyptic number.

72345654327 is a deficient number, since it is larger than the sum of its proper divisors (26167577289).

72345654327 is a wasteful number, since it uses less digits than its factorization.

72345654327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513089797.

The product of its digits is 4233600, while the sum is 48.

The spelling of 72345654327 in words is "seventy-two billion, three hundred forty-five million, six hundred fifty-four thousand, three hundred twenty-seven".