72433446 has 8 divisors (see below), whose sum is σ = 144866904. Its totient is φ = 24144480.

The previous prime is 72433433. The next prime is 72433469. The reversal of 72433446 is 64433427.

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

72433446 is an admirable number.

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 6036115 + ... + 6036126.

It is an arithmetic number, because the mean of its divisors is an integer number (18108363).

Almost surely, 2^72433446 is an apocalyptic number.

72433446 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.

72433446 is a wasteful number, since it uses less digits than its factorization.

72433446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12072246.

The product of its digits is 48384, while the sum is 33.

The square root of 72433446 is about 8510.7841001872. The cubic root of 72433446 is about 416.8499134954.

The spelling of 72433446 in words is "seventy-two million, four hundred thirty-three thousand, four hundred forty-six".