72345454327 has 8 divisors (see below), whose sum is σ = 73272334032. Its totient is φ = 71422704000.

The previous prime is 72345454289. The next prime is 72345454339.

72345454327 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 a de Polignac number, because none of the positive numbers 2^k-72345454327 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72345454927) 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, 997074 + ... + 1067167.

It is an arithmetic number, because the mean of its divisors is an integer number (9159041754).

Almost surely, 2^72345454327 is an apocalyptic number.

72345454327 is a deficient number, since it is larger than the sum of its proper divisors (926879705).

72345454327 is a wasteful number, since it uses less digits than its factorization.

72345454327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064689.

The product of its digits is 2822400, while the sum is 46.

The spelling of 72345454327 in words is "seventy-two billion, three hundred forty-five million, four hundred fifty-four thousand, three hundred twenty-seven".