47069820 has 72 divisors (see below), whose sum is σ = 163179744. Its totient is φ = 10758528.

The previous prime is 47069819. The next prime is 47069833. The reversal of 47069820 is 2896074.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17419 + ... + 19938.

Almost surely, 2^47069820 is an apocalyptic number.

It is an amenable number.

47069820 is an abundant number, since it is smaller than the sum of its proper divisors (116109924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47069820 is a wasteful number, since it uses less digits than its factorization.

47069820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37379 (or 37374 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 47069820 is about 6860.7448575209. The cubic root of 47069820 is about 361.0612204755.

The spelling of 47069820 in words is "forty-seven million, sixty-nine thousand, eight hundred twenty".