47721076 has 12 divisors (see below), whose sum is σ = 89935972. Its totient is φ = 22025088.

The previous prime is 47721071. The next prime is 47721131. The reversal of 47721076 is 67012774.

It can be written as a sum of positive squares in 2 ways, for example, as 3896676 + 43824400 = 1974^2 + 6620^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47721071) 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, 458805 + ... + 458908.

Almost surely, 2^47721076 is an apocalyptic number.

It is an amenable number.

47721076 is a deficient number, since it is larger than the sum of its proper divisors (42214896).

47721076 is a wasteful number, since it uses less digits than its factorization.

47721076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917730 (or 917728 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 47721076 is about 6908.0442963258. The cubic root of 47721076 is about 362.7188082080.

The spelling of 47721076 in words is "forty-seven million, seven hundred twenty-one thousand, seventy-six".