47494642 has 32 divisors (see below), whose sum is σ = 81849600. Its totient is φ = 20487168.

The previous prime is 47494631. The next prime is 47494673. The reversal of 47494642 is 24649474.

It is a junction number, because it is equal to n+sod(n) for n = 47494595 and 47494604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38418 + ... + 39634.

It is an arithmetic number, because the mean of its divisors is an integer number (2557800).

Almost surely, 2^47494642 is an apocalyptic number.

47494642 is a deficient number, since it is larger than the sum of its proper divisors (34354958).

47494642 is a wasteful number, since it uses less digits than its factorization.

47494642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its digits is 193536, while the sum is 40.

The square root of 47494642 is about 6891.6356549081. The cubic root of 47494642 is about 362.1442045259.

The spelling of 47494642 in words is "forty-seven million, four hundred ninety-four thousand, six hundred forty-two".