47041992 has 128 divisors (see below), whose sum is σ = 144633600. Its totient is φ = 14091264.

The previous prime is 47041979. The next prime is 47041999. The reversal of 47041992 is 29914074.

It is a super-2 number, since 2×47041992² = 4425898022656128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47041999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84178 + ... + 84734.

It is an arithmetic number, because the mean of its divisors is an integer number (1129950).

Almost surely, 2^47041992 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 47041992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72316800).

47041992 is an abundant number, since it is smaller than the sum of its proper divisors (97591608).

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

47041992 is a wasteful number, since it uses less digits than its factorization.

47041992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 47041992 is about 6858.7164980046. The cubic root of 47041992 is about 360.9900524930.

The spelling of 47041992 in words is "forty-seven million, forty-one thousand, nine hundred ninety-two".