47433921 has 16 divisors (see below), whose sum is σ = 64266048. Its totient is φ = 31116800.

The previous prime is 47433871. The next prime is 47433959. The reversal of 47433921 is 12933474.

It is a cyclic number.

It is not a de Polignac number, because 47433921 - 2¹⁵ = 47401153 is a prime.

It is a super-2 number, since 2×47433921² = 4499953722868482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47437921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53401 + ... + 54281.

It is an arithmetic number, because the mean of its divisors is an integer number (4016628).

Almost surely, 2^47433921 is an apocalyptic number.

It is an amenable number.

47433921 is a deficient number, since it is larger than the sum of its proper divisors (16832127).

47433921 is a wasteful number, since it uses less digits than its factorization.

47433921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 18144, while the sum is 33.

The square root of 47433921 is about 6887.2288331375. The cubic root of 47433921 is about 361.9898072077.

The spelling of 47433921 in words is "forty-seven million, four hundred thirty-three thousand, nine hundred twenty-one".