72427331443406 has 8 divisors (see below), whose sum is σ = 108693915338424. Its totient is φ = 36196026330600.

The previous prime is 72427331443391. The next prime is 72427331443451. The reversal of 72427331443406 is 60434413372427.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8819690420 + ... + 8819698631.

It is an arithmetic number, because the mean of its divisors is an integer number (13586739417303).

Almost surely, 2^{72427331443406} is an apocalyptic number.

72427331443406 is a deficient number, since it is larger than the sum of its proper divisors (36266583895018).

72427331443406 is a wasteful number, since it uses less digits than its factorization.

72427331443406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17639391106.

The product of its (nonzero) digits is 8128512, while the sum is 50.

The spelling of 72427331443406 in words is "seventy-two trillion, four hundred twenty-seven billion, three hundred thirty-one million, four hundred forty-three thousand, four hundred six".