72478440327 has 8 divisors (see below), whose sum is σ = 99970262640. Its totient is φ = 46652789120.

The previous prime is 72478440323. The next prime is 72478440337. The reversal of 72478440327 is 72304487427.

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 72478440327 - 2² = 72478440323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72478440323) 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, 416542674 + ... + 416542847.

It is an arithmetic number, because the mean of its divisors is an integer number (12496282830).

Almost surely, 2^72478440327 is an apocalyptic number.

72478440327 is a deficient number, since it is larger than the sum of its proper divisors (27491822313).

72478440327 is a wasteful number, since it uses less digits than its factorization.

72478440327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833085553.

The product of its (nonzero) digits is 2107392, while the sum is 48.

The spelling of 72478440327 in words is "seventy-two billion, four hundred seventy-eight million, four hundred forty thousand, three hundred twenty-seven".