47783142 has 96 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 14137200.

The previous prime is 47783137. The next prime is 47783143. The reversal of 47783142 is 24138774.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47783097 and 47783106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47783143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 463863 + ... + 463965.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 2^47783142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47783142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59754240).

47783142 is an abundant number, since it is smaller than the sum of its proper divisors (71725338).

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

47783142 is a wasteful number, since it uses less digits than its factorization.

47783142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 190 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 47783142 is about 6912.5351355346. The cubic root of 47783142 is about 362.8759906982.

The spelling of 47783142 in words is "forty-seven million, seven hundred eighty-three thousand, one hundred forty-two".