47278296 has 128 divisors (see below), whose sum is σ = 143640000. Its totient is φ = 14321664.

The previous prime is 47278277. The next prime is 47278303. The reversal of 47278296 is 69287274.

It is a congruent number.

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, 317230 + ... + 317378.

Almost surely, 2^47278296 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 47278296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71820000).

47278296 is an abundant number, since it is smaller than the sum of its proper divisors (96361704).

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

47278296 is a wasteful number, since it uses less digits than its factorization.

47278296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 280 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 47278296 is about 6875.9214655201. The cubic root of 47278296 is about 361.5934917708.

It can be divided in two parts, 472782 and 96, that added together give a triangular number (472878 = T₉₇₂).

The spelling of 47278296 in words is "forty-seven million, two hundred seventy-eight thousand, two hundred ninety-six".