47377928 has 16 divisors (see below), whose sum is σ = 95667180. Its totient is φ = 21866688.

The previous prime is 47377921. The next prime is 47377931. The reversal of 47377928 is 82977374.

It can be written as a sum of positive squares in 2 ways, for example, as 43059844 + 4318084 = 6562^2 + 2078^2 .

It is not an unprimeable number, because it can be changed into a prime (47377921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227675 + ... + 227882.

Almost surely, 2^47377928 is an apocalyptic number.

It is an amenable number.

47377928 is an abundant number, since it is smaller than the sum of its proper divisors (48289252).

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

47377928 is a wasteful number, since it uses less digits than its factorization.

47377928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455576 (or 455572 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 47377928 is about 6883.1626451799. The cubic root of 47377928 is about 361.8473151155.

The spelling of 47377928 in words is "forty-seven million, three hundred seventy-seven thousand, nine hundred twenty-eight".