47352021 has 8 divisors (see below), whose sum is σ = 66849984. Its totient is φ = 29711040.

The previous prime is 47352017. The next prime is 47352029. The reversal of 47352021 is 12025374.

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

It is not a de Polignac number, because 47352021 - 2² = 47352017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47351982 and 47352000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47352029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464185 + ... + 464286.

It is an arithmetic number, because the mean of its divisors is an integer number (8356248).

Almost surely, 2^47352021 is an apocalyptic number.

It is an amenable number.

47352021 is a deficient number, since it is larger than the sum of its proper divisors (19497963).

47352021 is a wasteful number, since it uses less digits than its factorization.

47352021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928491.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 47352021 is about 6881.2804767717. The cubic root of 47352021 is about 361.7813484795.

Adding to 47352021 its reverse (12025374), we get a palindrome (59377395).

The spelling of 47352021 in words is "forty-seven million, three hundred fifty-two thousand, twenty-one".