47425778 has 16 divisors (see below), whose sum is σ = 72985536. Its totient is φ = 23103600.

The previous prime is 47425771. The next prime is 47425783. The reversal of 47425778 is 87752474.

It is not an unprimeable number, because it can be changed into a prime (47425771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14525 + ... + 17487.

It is an arithmetic number, because the mean of its divisors is an integer number (4561596).

Almost surely, 2^47425778 is an apocalyptic number.

47425778 is a deficient number, since it is larger than the sum of its proper divisors (25559758).

47425778 is a wasteful number, since it uses less digits than its factorization.

47425778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169.

The product of its digits is 439040, while the sum is 44.

The square root of 47425778 is about 6886.6376411134. The cubic root of 47425778 is about 361.9690917111.

The spelling of 47425778 in words is "forty-seven million, four hundred twenty-five thousand, seven hundred seventy-eight".