47923738 has 16 divisors (see below), whose sum is σ = 77281920. Its totient is φ = 22216896.

The previous prime is 47923699. The next prime is 47923739. The reversal of 47923738 is 83732974.

It is a junction number, because it is equal to n+sod(n) for n = 47923694 and 47923703.

It is not an unprimeable number, because it can be changed into a prime (47923739) 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, 11631 + ... + 15202.

It is an arithmetic number, because the mean of its divisors is an integer number (4830120).

Almost surely, 2^47923738 is an apocalyptic number.

47923738 is a deficient number, since it is larger than the sum of its proper divisors (29358182).

47923738 is a wasteful number, since it uses less digits than its factorization.

47923738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26901.

The product of its digits is 254016, while the sum is 43.

The square root of 47923738 is about 6922.6973066862. The cubic root of 47923738 is about 363.2315481419.

The spelling of 47923738 in words is "forty-seven million, nine hundred twenty-three thousand, seven hundred thirty-eight".