72418628453 has 8 divisors (see below), whose sum is σ = 72954806400. Its totient is φ = 71882667648.

The previous prime is 72418628411. The next prime is 72418628507. The reversal of 72418628453 is 35482681427.

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 72418628453 - 2¹⁶ = 72418562917 is a prime.

It is a super-2 number, since 2×72418628453² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72418628753) 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 7 ways as a sum of consecutive naturals, for example, 648725 + ... + 752117.

It is an arithmetic number, because the mean of its divisors is an integer number (9119350800).

Almost surely, 2^72418628453 is an apocalyptic number.

It is an amenable number.

72418628453 is a deficient number, since it is larger than the sum of its proper divisors (536177947).

72418628453 is a wasteful number, since it uses less digits than its factorization.

72418628453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108571.

The product of its digits is 2580480, while the sum is 50.

The spelling of 72418628453 in words is "seventy-two billion, four hundred eighteen million, six hundred twenty-eight thousand, four hundred fifty-three".