73534974505 has 4 divisors (see below), whose sum is σ = 88241969412. Its totient is φ = 58827979600.

The previous prime is 73534974467. The next prime is 73534974593. The reversal of 73534974505 is 50547943537.

73534974505 = 191748² + 191749².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36767295504 + 36767679001 = 191748^2 + 191749^2 .

It is not a de Polignac number, because 73534974505 - 2¹⁹ = 73534450217 is a prime.

It is a Duffinian 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, 7353497446 + ... + 7353497455.

It is an arithmetic number, because the mean of its divisors is an integer number (22060492353).

Almost surely, 2^73534974505 is an apocalyptic number.

73534974505 is the 191749-th centered square number.

It is an amenable number.

73534974505 is a deficient number, since it is larger than the sum of its proper divisors (14706994907).

73534974505 is a wasteful number, since it uses less digits than its factorization.

73534974505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14706994906.

The product of its (nonzero) digits is 7938000, while the sum is 52.

The spelling of 73534974505 in words is "seventy-three billion, five hundred thirty-four million, nine hundred seventy-four thousand, five hundred five".