47923620 has 24 divisors (see below), whose sum is σ = 134186304. Its totient is φ = 12779616.

The previous prime is 47923609. The next prime is 47923669. The reversal of 47923620 is 2632974.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399304 + ... + 399423.

It is an arithmetic number, because the mean of its divisors is an integer number (5591096).

Almost surely, 2^47923620 is an apocalyptic number.

It is an amenable number.

47923620 is an abundant number, since it is smaller than the sum of its proper divisors (86262684).

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

47923620 is a wasteful number, since it uses less digits than its factorization.

47923620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798739 (or 798737 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 47923620 is about 6922.6887839914. The cubic root of 47923620 is about 363.2312500200.

The spelling of 47923620 in words is "forty-seven million, nine hundred twenty-three thousand, six hundred twenty".