47940235 has 32 divisors (see below), whose sum is σ = 67940352. Its totient is φ = 31795200.

The previous prime is 47940223. The next prime is 47940259. The reversal of 47940235 is 53204974.

47940235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47940235 - 2²³ = 39551627 is a prime.

It is a super-2 number, since 2×47940235² = 4596532263710450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47940235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248299 + ... + 248491.

It is an arithmetic number, because the mean of its divisors is an integer number (2123136).

Almost surely, 2^47940235 is an apocalyptic number.

47940235 is a deficient number, since it is larger than the sum of its proper divisors (20000117).

47940235 is a wasteful number, since it uses less digits than its factorization.

47940235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 47940235 is about 6923.8887194986. Note that the first 3 decimals coincide. The cubic root of 47940235 is about 363.2732222938.

The spelling of 47940235 in words is "forty-seven million, nine hundred forty thousand, two hundred thirty-five".