47780530 has 32 divisors (see below), whose sum is σ = 98605440. Its totient is φ = 16329600.

The previous prime is 47780503. The next prime is 47780533. The reversal of 47780530 is 3508774.

It is not an unprimeable number, because it can be changed into a prime (47780533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25630 + ... + 27430.

It is an arithmetic number, because the mean of its divisors is an integer number (3081420).

Almost surely, 2^47780530 is an apocalyptic number.

47780530 is an abundant number, since it is smaller than the sum of its proper divisors (50824910).

47780530 is a wasteful number, since it uses less digits than its factorization.

47780530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 47780530 is about 6912.3462008207. The cubic root of 47780530 is about 362.8693785381.

The spelling of 47780530 in words is "forty-seven million, seven hundred eighty thousand, five hundred thirty".