73018597997473 has 8 divisors (see below), whose sum is σ = 73036810275840. Its totient is φ = 73000387325040.

The previous prime is 73018597997441. The next prime is 73018597997563. The reversal of 73018597997473 is 37479979581037.

It is a happy number.

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 73018597997473 - 2⁵ = 73018597997441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73018597997393 and 73018597997402.

It is not an unprimeable number, because it can be changed into a prime (73018597797473) 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, 93256018 + ... + 94035748.

It is an arithmetic number, because the mean of its divisors is an integer number (9129601284480).

Almost surely, 2^{73018597997473} is an apocalyptic number.

It is an amenable number.

73018597997473 is a deficient number, since it is larger than the sum of its proper divisors (18212278367).

73018597997473 is a wasteful number, since it uses less digits than its factorization.

73018597997473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802967.

The product of its (nonzero) digits is 2520473760, while the sum is 79.

The spelling of 73018597997473 in words is "seventy-three trillion, eighteen billion, five hundred ninety-seven million, nine hundred ninety-seven thousand, four hundred seventy-three".