47642130 has 24 divisors (see below), whose sum is σ = 123869772. Its totient is φ = 12704544.

The previous prime is 47642117. The next prime is 47642137. The reversal of 47642130 is 3124674.

47642130 is a `hidden beast` number, since 4 + 7 + 642 + 13 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47320641 + 321489 = 6879^2 + 567^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47642094 and 47642103.

It is not an unprimeable number, because it can be changed into a prime (47642137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264589 + ... + 264768.

Almost surely, 2^47642130 is an apocalyptic number.

47642130 is an abundant number, since it is smaller than the sum of its proper divisors (76227642).

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

47642130 is a wasteful number, since it uses less digits than its factorization.

47642130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529370 (or 529367 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 47642130 is about 6902.3278681906. The cubic root of 47642130 is about 362.5186799728.

The spelling of 47642130 in words is "forty-seven million, six hundred forty-two thousand, one hundred thirty".