47392540 has 24 divisors (see below), whose sum is σ = 107180640. Its totient is φ = 17498688.

The previous prime is 47392529. The next prime is 47392559. The reversal of 47392540 is 4529374.

47392540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47392496 and 47392505.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 90880 + ... + 91399.

It is an arithmetic number, because the mean of its divisors is an integer number (4465860).

Almost surely, 2^47392540 is an apocalyptic number.

It is an amenable number.

47392540 is an abundant number, since it is smaller than the sum of its proper divisors (59788100).

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

47392540 is a wasteful number, since it uses less digits than its factorization.

47392540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182301 (or 182299 counting only the distinct ones).

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

The square root of 47392540 is about 6884.2239940316. The cubic root of 47392540 is about 361.8845108430.

The spelling of 47392540 in words is "forty-seven million, three hundred ninety-two thousand, five hundred forty".