47732540 has 12 divisors (see below), whose sum is σ = 100238376. Its totient is φ = 19093008.

The previous prime is 47732539. The next prime is 47732543. The reversal of 47732540 is 4523774.

It is a junction number, because it is equal to n+sod(n) for n = 47732497 and 47732506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47732543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193294 + ... + 1193333.

It is an arithmetic number, because the mean of its divisors is an integer number (8353198).

Almost surely, 2^47732540 is an apocalyptic number.

It is an amenable number.

47732540 is an abundant number, since it is smaller than the sum of its proper divisors (52505836).

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

47732540 is a wasteful number, since it uses less digits than its factorization.

47732540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386636 (or 2386634 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 47732540 is about 6908.8740037723. The cubic root of 47732540 is about 362.7478511092.

The spelling of 47732540 in words is "forty-seven million, seven hundred thirty-two thousand, five hundred forty".