47324442 has 64 divisors (see below), whose sum is σ = 107122176. Its totient is φ = 13815360.

The previous prime is 47324437. The next prime is 47324449. The reversal of 47324442 is 24442374.

It is a happy number.

It is a super-2 number, since 2×47324442² = 4479205621222728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47324449) 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, 290253 + ... + 290415.

It is an arithmetic number, because the mean of its divisors is an integer number (1673784).

Almost surely, 2^47324442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47324442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53561088).

47324442 is an abundant number, since it is smaller than the sum of its proper divisors (59797734).

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

47324442 is a wasteful number, since it uses less digits than its factorization.

47324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its digits is 21504, while the sum is 30.

The square root of 47324442 is about 6879.2762700738. The cubic root of 47324442 is about 361.7110980073.

The spelling of 47324442 in words is "forty-seven million, three hundred twenty-four thousand, four hundred forty-two".