47470828 has 12 divisors (see below), whose sum is σ = 84641760. Its totient is φ = 23287472.

The previous prime is 47470823. The next prime is 47470849. The reversal of 47470828 is 82807474.

It is a happy number.

47470828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47470828² = 4506959022011168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47470823) 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, 111748 + ... + 112171.

It is an arithmetic number, because the mean of its divisors is an integer number (7053480).

Almost surely, 2^47470828 is an apocalyptic number.

It is an amenable number.

47470828 is a deficient number, since it is larger than the sum of its proper divisors (37170932).

47470828 is a wasteful number, since it uses less digits than its factorization.

47470828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223976 (or 223974 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 47470828 is about 6889.9076916893. The cubic root of 47470828 is about 362.0836675649.

The spelling of 47470828 in words is "forty-seven million, four hundred seventy thousand, eight hundred twenty-eight".