47404845 has 40 divisors (see below), whose sum is σ = 86295264. Its totient is φ = 24890976.

The previous prime is 47404837. The next prime is 47404849. The reversal of 47404845 is 54840474.

It is not a de Polignac number, because 47404845 - 2³ = 47404837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47404849) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26262 + ... + 28008.

Almost surely, 2^47404845 is an apocalyptic number.

47404845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47404845 is a deficient number, since it is larger than the sum of its proper divisors (38890419).

47404845 is a wasteful number, since it uses less digits than its factorization.

47404845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 47404845 is about 6885.1176460537. The cubic root of 47404845 is about 361.9158280333.

The spelling of 47404845 in words is "forty-seven million, four hundred four thousand, eight hundred forty-five".