72304487427 has 8 divisors (see below), whose sum is σ = 96407280640. Its totient is φ = 48202342920.

The previous prime is 72304487413. The next prime is 72304487429. The reversal of 72304487427 is 72478440327.

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

It is not a de Polignac number, because 72304487427 - 2¹⁰ = 72304486403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72304487429) 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, 241302 + ... + 450372.

It is an arithmetic number, because the mean of its divisors is an integer number (12050910080).

Almost surely, 2^72304487427 is an apocalyptic number.

72304487427 is a deficient number, since it is larger than the sum of its proper divisors (24102793213).

72304487427 is a wasteful number, since it uses less digits than its factorization.

72304487427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324353.

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

The spelling of 72304487427 in words is "seventy-two billion, three hundred four million, four hundred eighty-seven thousand, four hundred twenty-seven".