72417671427 has 16 divisors (see below), whose sum is σ = 101552237568. Its totient is φ = 45839545440.

The previous prime is 72417671419. The next prime is 72417671441.

72417671427 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 72417671427 - 2³ = 72417671419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72417671477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7341153 + ... + 7351010.

It is an arithmetic number, because the mean of its divisors is an integer number (6347014848).

Almost surely, 2^72417671427 is an apocalyptic number.

72417671427 is a deficient number, since it is larger than the sum of its proper divisors (29134566141).

72417671427 is a wasteful number, since it uses less digits than its factorization.

72417671427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14692250.

The product of its digits is 921984, while the sum is 48.

The spelling of 72417671427 in words is "seventy-two billion, four hundred seventeen million, six hundred seventy-one thousand, four hundred twenty-seven".