73457422 has 4 divisors (see below), whose sum is σ = 110186136. Its totient is φ = 36728710.

The previous prime is 73457413. The next prime is 73457429. The reversal of 73457422 is 22475437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22475437 = 89 ⋅252533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73457429) by changing a digit.

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, 18364354 + ... + 18364357.

It is an arithmetic number, because the mean of its divisors is an integer number (27546534).

Almost surely, 2^73457422 is an apocalyptic number.

73457422 is a deficient number, since it is larger than the sum of its proper divisors (36728714).

73457422 is a wasteful number, since it uses less digits than its factorization.

73457422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36728713.

The product of its digits is 47040, while the sum is 34.

The square root of 73457422 is about 8570.7305406249. The cubic root of 73457422 is about 418.8050349586.

The spelling of 73457422 in words is "seventy-three million, four hundred fifty-seven thousand, four hundred twenty-two".