47136530 has 96 divisors (see below), whose sum is σ = 106868160. Its totient is φ = 14878080.

The previous prime is 47136521. The next prime is 47136539. The reversal of 47136530 is 3563174.

It is an interprime number because it is at equal distance from previous prime (47136521) and next prime (47136539).

It is a junction number, because it is equal to n+sod(n) for n = 47136493 and 47136502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47136539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 567869 + ... + 567951.

It is an arithmetic number, because the mean of its divisors is an integer number (1113210).

Almost surely, 2^47136530 is an apocalyptic number.

47136530 is an abundant number, since it is smaller than the sum of its proper divisors (59731630).

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

47136530 is a wasteful number, since it uses less digits than its factorization.

47136530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 47136530 is about 6865.6048531794. The cubic root of 47136530 is about 361.2317120566.

The spelling of 47136530 in words is "forty-seven million, one hundred thirty-six thousand, five hundred thirty".