47021804 has 6 divisors (see below), whose sum is σ = 82288164. Its totient is φ = 23510900.

The previous prime is 47021797. The next prime is 47021851. The reversal of 47021804 is 40812074.

It is a super-2 number, since 2×47021804² = 4422100102828832, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5877722 + ... + 5877729.

It is an arithmetic number, because the mean of its divisors is an integer number (13714694).

Almost surely, 2^47021804 is an apocalyptic number.

It is an amenable number.

47021804 is a deficient number, since it is larger than the sum of its proper divisors (35266360).

47021804 is a wasteful number, since it uses less digits than its factorization.

47021804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11755455 (or 11755453 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 47021804 is about 6857.2446361494. The cubic root of 47021804 is about 360.9384056585.

Adding to 47021804 its reverse (40812074), we get a palindrome (87833878).

The spelling of 47021804 in words is "forty-seven million, twenty-one thousand, eight hundred four".