73347990 has 16 divisors (see below), whose sum is σ = 176035248. Its totient is φ = 19559456.

The previous prime is 73347983. The next prime is 73348003. The reversal of 73347990 is 9974337.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222437 + ... + 1222496.

It is an arithmetic number, because the mean of its divisors is an integer number (11002203).

Almost surely, 2^73347990 is an apocalyptic number.

73347990 is an abundant number, since it is smaller than the sum of its proper divisors (102687258).

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

73347990 is a wasteful number, since it uses less digits than its factorization.

73347990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444943.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 73347990 is about 8564.3441079863. The cubic root of 73347990 is about 418.5969622698.

The spelling of 73347990 in words is "seventy-three million, three hundred forty-seven thousand, nine hundred ninety".