47973616 has 30 divisors (see below), whose sum is σ = 96256736. Its totient is φ = 23138400.

The previous prime is 47973577. The next prime is 47973617. The reversal of 47973616 is 61637974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47973617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154101 + ... + 154411.

Almost surely, 2^47973616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47973616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48128368).

47973616 is an abundant number, since it is smaller than the sum of its proper divisors (48283120).

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

47973616 is an equidigital number, since it uses as much as digits as its factorization.

47973616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 344 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 47973616 is about 6926.2988673605. The cubic root of 47973616 is about 363.3575189878.

The spelling of 47973616 in words is "forty-seven million, nine hundred seventy-three thousand, six hundred sixteen".