47544042 has 64 divisors (see below), whose sum is σ = 123217920. Its totient is φ = 11876544.

The previous prime is 47544037. The next prime is 47544047. The reversal of 47544042 is 24044574.

It is an interprime number because it is at equal distance from previous prime (47544037) and next prime (47544047).

It is not an unprimeable number, because it can be changed into a prime (47544047) 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, 8083 + ... + 12665.

It is an arithmetic number, because the mean of its divisors is an integer number (1925280).

Almost surely, 2^47544042 is an apocalyptic number.

47544042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 47544042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61608960).

47544042 is an abundant number, since it is smaller than the sum of its proper divisors (75673878).

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

47544042 is a wasteful number, since it uses less digits than its factorization.

47544042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627.

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 47544042 is about 6895.2187782550. The cubic root of 47544042 is about 362.2697185067.

The spelling of 47544042 in words is "forty-seven million, five hundred forty-four thousand, forty-two".