72420475214443 has 8 divisors (see below), whose sum is σ = 72498146172048. Its totient is φ = 72342811509504.

The previous prime is 72420475214429. The next prime is 72420475214471. The reversal of 72420475214443 is 34441257402427.

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 72420475214443 - 2²⁹ = 72419938343531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72420475214543) 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, 18287655 + ... + 21892447.

It is an arithmetic number, because the mean of its divisors is an integer number (9062268271506).

Almost surely, 2^{72420475214443} is an apocalyptic number.

72420475214443 is a deficient number, since it is larger than the sum of its proper divisors (77670957605).

72420475214443 is a wasteful number, since it uses less digits than its factorization.

72420475214443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626333.

The product of its (nonzero) digits is 6021120, while the sum is 49.

The spelling of 72420475214443 in words is "seventy-two trillion, four hundred twenty billion, four hundred seventy-five million, two hundred fourteen thousand, four hundred forty-three".