47773992 has 32 divisors (see below), whose sum is σ = 136497600. Its totient is φ = 13649664.

The previous prime is 47773981. The next prime is 47774003. The reversal of 47773992 is 29937774.

It is a happy number.

47773992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47773981) and next prime (47774003).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 142017 + ... + 142352.

It is an arithmetic number, because the mean of its divisors is an integer number (4265550).

Almost surely, 2^47773992 is an apocalyptic number.

47773992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47773992 is an abundant number, since it is smaller than the sum of its proper divisors (88723608).

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

47773992 is a wasteful number, since it uses less digits than its factorization.

47773992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284385 (or 284381 counting only the distinct ones).

The product of its digits is 666792, while the sum is 48.

The square root of 47773992 is about 6911.8732627270. The cubic root of 47773992 is about 362.8528268296.

The spelling of 47773992 in words is "forty-seven million, seven hundred seventy-three thousand, nine hundred ninety-two".