47296021 has 4 divisors (see below), whose sum is σ = 47346912. Its totient is φ = 47245132.

The previous prime is 47296003. The next prime is 47296031. The reversal of 47296021 is 12069274.

47296021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47296021 - 2⁷ = 47295893 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 (47296031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24025 + ... + 25918.

It is an arithmetic number, because the mean of its divisors is an integer number (11836728).

Almost surely, 2^47296021 is an apocalyptic number.

It is an amenable number.

47296021 is a deficient number, since it is larger than the sum of its proper divisors (50891).

47296021 is an equidigital number, since it uses as much as digits as its factorization.

47296021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50890.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 47296021 is about 6877.2102628900. The cubic root of 47296021 is about 361.6386741934.

The spelling of 47296021 in words is "forty-seven million, two hundred ninety-six thousand, twenty-one".