72268446 has 8 divisors (see below), whose sum is σ = 144536904. Its totient is φ = 24089480.

The previous prime is 72268421. The next prime is 72268517. The reversal of 72268446 is 64486227.

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

72268446 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 6022365 + ... + 6022376.

It is an arithmetic number, because the mean of its divisors is an integer number (18067113).

Almost surely, 2^72268446 is an apocalyptic number.

72268446 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.

72268446 is a wasteful number, since it uses less digits than its factorization.

72268446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044746.

The product of its digits is 129024, while the sum is 39.

The square root of 72268446 is about 8501.0849895763. The cubic root of 72268446 is about 416.5331513191.

The spelling of 72268446 in words is "seventy-two million, two hundred sixty-eight thousand, four hundred forty-six".