47902442 has 8 divisors (see below), whose sum is σ = 82118496. Its totient is φ = 20529612.

The previous prime is 47902433. The next prime is 47902469. The reversal of 47902442 is 24420974.

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 = 47902399 and 47902408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710788 + ... + 1710815.

It is an arithmetic number, because the mean of its divisors is an integer number (10264812).

Almost surely, 2^47902442 is an apocalyptic number.

47902442 is a deficient number, since it is larger than the sum of its proper divisors (34216054).

47902442 is a wasteful number, since it uses less digits than its factorization.

47902442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421612.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 47902442 is about 6921.1590069872. The cubic root of 47902442 is about 363.1777367779.

The spelling of 47902442 in words is "forty-seven million, nine hundred two thousand, four hundred forty-two".