49478472 has 128 divisors (see below), whose sum is σ = 145555200. Its totient is φ = 15552000.

The previous prime is 49478467. The next prime is 49478491. The reversal of 49478472 is 27487494.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327597 + ... + 327747.

It is an arithmetic number, because the mean of its divisors is an integer number (1137150).

Almost surely, 2^49478472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49478472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72777600).

49478472 is an abundant number, since it is smaller than the sum of its proper divisors (96076728).

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

49478472 is a wasteful number, since it uses less digits than its factorization.

49478472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 234 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 49478472 is about 7034.0935450135. The cubic root of 49478472 is about 367.1177867121.

The spelling of 49478472 in words is "forty-nine million, four hundred seventy-eight thousand, four hundred seventy-two".