47620140 has 24 divisors (see below), whose sum is σ = 133336560. Its totient is φ = 12698688.

The previous prime is 47620087. The next prime is 47620151. The reversal of 47620140 is 4102674.

It is a self number, because there is not a number n which added to its sum of digits gives 47620140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396775 + ... + 396894.

It is an arithmetic number, because the mean of its divisors is an integer number (5555690).

Almost surely, 2^47620140 is an apocalyptic number.

It is an amenable number.

47620140 is an abundant number, since it is smaller than the sum of its proper divisors (85716420).

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

47620140 is a wasteful number, since it uses less digits than its factorization.

47620140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793681 (or 793679 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 47620140 is about 6900.7347434893. The cubic root of 47620140 is about 362.4628959249.

The spelling of 47620140 in words is "forty-seven million, six hundred twenty thousand, one hundred forty".