73428694 has 4 divisors (see below), whose sum is σ = 110143044. Its totient is φ = 36714346.

The previous prime is 73428679. The next prime is 73428701. The reversal of 73428694 is 49682437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49682437 = 7 ⋅7097491.

It is a self number, because there is not a number n which added to its sum of digits gives 73428694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18357172 + ... + 18357175.

It is an arithmetic number, because the mean of its divisors is an integer number (27535761).

Almost surely, 2^73428694 is an apocalyptic number.

73428694 is a deficient number, since it is larger than the sum of its proper divisors (36714350).

73428694 is a wasteful number, since it uses less digits than its factorization.

73428694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36714349.

The product of its digits is 290304, while the sum is 43.

The square root of 73428694 is about 8569.0544402519. The cubic root of 73428694 is about 418.7504318998.

The spelling of 73428694 in words is "seventy-three million, four hundred twenty-eight thousand, six hundred ninety-four".