73478671 has 4 divisors (see below), whose sum is σ = 83975632. Its totient is φ = 62981712.

The previous prime is 73478653. The next prime is 73478687. The reversal of 73478671 is 17687437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17687437 = 23 ⋅769019.

It is a cyclic number.

It is not a de Polignac number, because 73478671 - 2⁹ = 73478159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73478621) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5248470 + ... + 5248483.

It is an arithmetic number, because the mean of its divisors is an integer number (20993908).

Almost surely, 2^73478671 is an apocalyptic number.

73478671 is a deficient number, since it is larger than the sum of its proper divisors (10496961).

73478671 is a wasteful number, since it uses less digits than its factorization.

73478671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10496960.

The product of its digits is 197568, while the sum is 43.

The square root of 73478671 is about 8571.9700769426. The cubic root of 73478671 is about 418.8454135889.

The spelling of 73478671 in words is "seventy-three million, four hundred seventy-eight thousand, six hundred seventy-one".