72448986 has 16 divisors (see below), whose sum is σ = 147632544. Its totient is φ = 23693904.

The previous prime is 72448969. The next prime is 72448993. The reversal of 72448986 is 68984427.

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, 113596 + ... + 114231.

It is an arithmetic number, because the mean of its divisors is an integer number (9227034).

Almost surely, 2^72448986 is an apocalyptic number.

72448986 is an abundant number, since it is smaller than the sum of its proper divisors (75183558).

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

72448986 is a wasteful number, since it uses less digits than its factorization.

72448986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227885.

The product of its digits is 774144, while the sum is 48.

The square root of 72448986 is about 8511.6970105849. The cubic root of 72448986 is about 416.8797219371.

The spelling of 72448986 in words is "seventy-two million, four hundred forty-eight thousand, nine hundred eighty-six".