47965621 has 8 divisors (see below), whose sum is σ = 52383744. Its totient is φ = 43557120.

The previous prime is 47965591. The next prime is 47965651. The reversal of 47965621 is 12656974.

It is an interprime number because it is at equal distance from previous prime (47965591) and next prime (47965651).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47965621 - 2⁷ = 47965493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47965651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11596 + ... + 15178.

It is an arithmetic number, because the mean of its divisors is an integer number (6547968).

Almost surely, 2^47965621 is an apocalyptic number.

It is an amenable number.

47965621 is a deficient number, since it is larger than the sum of its proper divisors (4418123).

47965621 is a wasteful number, since it uses less digits than its factorization.

47965621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811.

The product of its digits is 90720, while the sum is 40.

The square root of 47965621 is about 6925.7216952459. The cubic root of 47965621 is about 363.3373328591.

The spelling of 47965621 in words is "forty-seven million, nine hundred sixty-five thousand, six hundred twenty-one".