73442271634 has 4 divisors (see below), whose sum is σ = 110163407454. Its totient is φ = 36721135816.

The previous prime is 73442271629. The next prime is 73442271673. The reversal of 73442271634 is 43617224437.

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

It can be written as a sum of positive squares in only one way, i.e., 66898270609 + 6544001025 = 258647^2 + 80895^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18360567907 + ... + 18360567910.

Almost surely, 2^73442271634 is an apocalyptic number.

73442271634 is a deficient number, since it is larger than the sum of its proper divisors (36721135820).

73442271634 is a wasteful number, since it uses less digits than its factorization.

73442271634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36721135819.

The product of its digits is 677376, while the sum is 43.

The spelling of 73442271634 in words is "seventy-three billion, four hundred forty-two million, two hundred seventy-one thousand, six hundred thirty-four".