47429242 has 8 divisors (see below), whose sum is σ = 81307296. Its totient is φ = 20326812.

The previous prime is 47429231. The next prime is 47429281. The reversal of 47429242 is 24292474.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47429198 and 47429207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693888 + ... + 1693915.

It is an arithmetic number, because the mean of its divisors is an integer number (10163412).

Almost surely, 2^47429242 is an apocalyptic number.

47429242 is a deficient number, since it is larger than the sum of its proper divisors (33878054).

47429242 is a wasteful number, since it uses less digits than its factorization.

47429242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387812.

The product of its digits is 32256, while the sum is 34.

The square root of 47429242 is about 6886.8891380652. The cubic root of 47429242 is about 361.9779042912.

The spelling of 47429242 in words is "forty-seven million, four hundred twenty-nine thousand, two hundred forty-two".