47490433 has 4 divisors (see below), whose sum is σ = 47504340. Its totient is φ = 47476528.

The previous prime is 47490413. The next prime is 47490449. The reversal of 47490433 is 33409474.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 27123264 + 20367169 = 5208^2 + 4513^2 .

It is a cyclic number.

It is not a de Polignac number, because 47490433 - 2⁹ = 47489921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47490413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091 + ... + 9967.

It is an arithmetic number, because the mean of its divisors is an integer number (11876085).

Almost surely, 2^47490433 is an apocalyptic number.

It is an amenable number.

47490433 is a deficient number, since it is larger than the sum of its proper divisors (13907).

47490433 is an equidigital number, since it uses as much as digits as its factorization.

47490433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13906.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 47490433 is about 6891.3302779652. The cubic root of 47490433 is about 362.1335064070.

The spelling of 47490433 in words is "forty-seven million, four hundred ninety thousand, four hundred thirty-three".