73134673 has 4 divisors (see below), whose sum is σ = 75493888. Its totient is φ = 70775460.

The previous prime is 73134671. The next prime is 73134683. The reversal of 73134673 is 37643137.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37643137 = 7 ⋅5377591.

It is a cyclic number.

It is not a de Polignac number, because 73134673 - 2¹ = 73134671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73134671) 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, 1179561 + ... + 1179622.

It is an arithmetic number, because the mean of its divisors is an integer number (18873472).

Almost surely, 2^73134673 is an apocalyptic number.

It is an amenable number.

73134673 is a deficient number, since it is larger than the sum of its proper divisors (2359215).

73134673 is a wasteful number, since it uses less digits than its factorization.

73134673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359214.

The product of its digits is 31752, while the sum is 34.

The square root of 73134673 is about 8551.8812550222. The cubic root of 73134673 is about 418.1907682151.

The spelling of 73134673 in words is "seventy-three million, one hundred thirty-four thousand, six hundred seventy-three".