73473265273 has 4 divisors (see below), whose sum is σ = 73474773840. Its totient is φ = 73471756708.

The previous prime is 73473265267. The next prime is 73473265289. The reversal of 73473265273 is 37256237437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73473265273 - 2¹⁷ = 73473134201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73473265213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678703 + ... + 779476.

It is an arithmetic number, because the mean of its divisors is an integer number (18368693460).

Almost surely, 2^73473265273 is an apocalyptic number.

It is an amenable number.

73473265273 is a deficient number, since it is larger than the sum of its proper divisors (1508567).

73473265273 is a wasteful number, since it uses less digits than its factorization.

73473265273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508566.

The product of its digits is 4445280, while the sum is 49.

The spelling of 73473265273 in words is "seventy-three billion, four hundred seventy-three million, two hundred sixty-five thousand, two hundred seventy-three".