47605640 has 32 divisors (see below), whose sum is σ = 112752000. Its totient is φ = 18039744.

The previous prime is 47605639. The next prime is 47605651. The reversal of 47605640 is 4650674.

47605640 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 = 47605597 and 47605606.

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, 30560 + ... + 32079.

It is an arithmetic number, because the mean of its divisors is an integer number (3523500).

Almost surely, 2^47605640 is an apocalyptic number.

47605640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47605640 is an abundant number, since it is smaller than the sum of its proper divisors (65146360).

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

47605640 is a wasteful number, since it uses less digits than its factorization.

47605640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62669 (or 62665 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 47605640 is about 6899.6840507374. The cubic root of 47605640 is about 362.4261030502.

The spelling of 47605640 in words is "forty-seven million, six hundred five thousand, six hundred forty".