47378328 has 32 divisors (see below), whose sum is σ = 118681200. Its totient is φ = 15761408.

The previous prime is 47378311. The next prime is 47378341. The reversal of 47378328 is 82387374.

It is a self number, because there is not a number n which added to its sum of digits gives 47378328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12568 + ... + 15896.

Almost surely, 2^47378328 is an apocalyptic number.

It is an amenable number.

47378328 is an abundant number, since it is smaller than the sum of its proper divisors (71302872).

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

47378328 is a wasteful number, since it uses less digits than its factorization.

47378328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931 (or 3927 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 47378328 is about 6883.1917015292. The cubic root of 47378328 is about 361.8483334415.

The spelling of 47378328 in words is "forty-seven million, three hundred seventy-eight thousand, three hundred twenty-eight".