47252992 has 40 divisors (see below), whose sum is σ = 96759432. Its totient is φ = 23040000.

The previous prime is 47252987. The next prime is 47252993. The reversal of 47252992 is 29925274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47252993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19867 + ... + 22117.

Almost surely, 2^47252992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47252992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48379716).

47252992 is an abundant number, since it is smaller than the sum of its proper divisors (49506440).

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

47252992 is an equidigital number, since it uses as much as digits as its factorization.

47252992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2294 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 47252992 is about 6874.0811749644. The cubic root of 47252992 is about 361.5289703072.

The spelling of 47252992 in words is "forty-seven million, two hundred fifty-two thousand, nine hundred ninety-two".