73447338 has 8 divisors (see below), whose sum is σ = 146894688. Its totient is φ = 24482444.

The previous prime is 73447337. The next prime is 73447351. The reversal of 73447338 is 83374437.

It is a sphenic number, since it is the product of 3 distinct primes.

73447338 is an admirable number.

It is a super-2 number, since 2×73447338² = 10789022918572488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73447296 and 73447305.

It is not an unprimeable number, because it can be changed into a prime (73447337) 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 in 3 ways as a sum of consecutive naturals, for example, 6120606 + ... + 6120617.

It is an arithmetic number, because the mean of its divisors is an integer number (18361836).

Almost surely, 2^73447338 is an apocalyptic number.

73447338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73447338 is a wasteful number, since it uses less digits than its factorization.

73447338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241228.

The product of its digits is 169344, while the sum is 39.

The square root of 73447338 is about 8570.1422391930. The cubic root of 73447338 is about 418.7858700096.

The spelling of 73447338 in words is "seventy-three million, four hundred forty-seven thousand, three hundred thirty-eight".