72442248 has 16 divisors (see below), whose sum is σ = 181105680. Its totient is φ = 24147408.

The previous prime is 72442247. The next prime is 72442259. The reversal of 72442248 is 84224427.

It is not an unprimeable number, because it can be changed into a prime (72442241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509190 + ... + 1509237.

It is an arithmetic number, because the mean of its divisors is an integer number (11319105).

Almost surely, 2^72442248 is an apocalyptic number.

It is an amenable number.

72442248 is an abundant number, since it is smaller than the sum of its proper divisors (108663432).

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

72442248 is a wasteful number, since it uses less digits than its factorization.

72442248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018436 (or 3018432 counting only the distinct ones).

The product of its digits is 28672, while the sum is 33.

The square root of 72442248 is about 8511.3011931197. The cubic root of 72442248 is about 416.8667977965.

The spelling of 72442248 in words is "seventy-two million, four hundred forty-two thousand, two hundred forty-eight".