47736820 has 24 divisors (see below), whose sum is σ = 100564128. Its totient is φ = 19034400.

The previous prime is 47736811. The next prime is 47736823. The reversal of 47736820 is 2863774.

It is a self number, because there is not a number n which added to its sum of digits gives 47736820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47736823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3015 + ... + 10225.

It is an arithmetic number, because the mean of its divisors is an integer number (4190172).

Almost surely, 2^47736820 is an apocalyptic number.

It is an amenable number.

47736820 is an abundant number, since it is smaller than the sum of its proper divisors (52827308).

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

47736820 is a wasteful number, since it uses less digits than its factorization.

47736820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551 (or 7549 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 47736820 is about 6909.1837433955. The cubic root of 47736820 is about 362.7586928704.

The spelling of 47736820 in words is "forty-seven million, seven hundred thirty-six thousand, eight hundred twenty".