47520442 has 8 divisors (see below), whose sum is σ = 72284832. Its totient is φ = 23425500.

The previous prime is 47520439. The next prime is 47520443. The reversal of 47520442 is 24402574.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47520442.

It is not an unprimeable number, because it can be changed into a prime (47520443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167184 + ... + 167467.

It is an arithmetic number, because the mean of its divisors is an integer number (9035604).

Almost surely, 2^47520442 is an apocalyptic number.

47520442 is a deficient number, since it is larger than the sum of its proper divisors (24764390).

47520442 is a wasteful number, since it uses less digits than its factorization.

47520442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334724.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 47520442 is about 6893.5072350727. The cubic root of 47520442 is about 362.2097672138.

The spelling of 47520442 in words is "forty-seven million, five hundred twenty thousand, four hundred forty-two".