48868721 has 16 divisors (see below), whose sum is σ = 55935360. Its totient is φ = 42261120.

The previous prime is 48868717. The next prime is 48868751. The reversal of 48868721 is 12786884.

It is not a de Polignac number, because 48868721 - 2² = 48868717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48868751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58535 + ... + 59363.

It is an arithmetic number, because the mean of its divisors is an integer number (3495960).

Almost surely, 2^48868721 is an apocalyptic number.

It is an amenable number.

48868721 is a deficient number, since it is larger than the sum of its proper divisors (7066639).

48868721 is a wasteful number, since it uses less digits than its factorization.

48868721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 172032, while the sum is 44.

The square root of 48868721 is about 6990.6166394675. The cubic root of 48868721 is about 365.6034828061.

The spelling of 48868721 in words is "forty-eight million, eight hundred sixty-eight thousand, seven hundred twenty-one".