47790780 has 48 divisors (see below), whose sum is σ = 139636224. Its totient is φ = 12189760.

The previous prime is 47790761. The next prime is 47790781. The reversal of 47790780 is 8709774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47790781) 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, 15936 + ... + 18695.

It is an arithmetic number, because the mean of its divisors is an integer number (2909088).

Almost surely, 2^47790780 is an apocalyptic number.

It is an amenable number.

47790780 is an abundant number, since it is smaller than the sum of its proper divisors (91845444).

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

47790780 is a wasteful number, since it uses less digits than its factorization.

47790780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34666 (or 34664 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 47790780 is about 6913.0875880463. The cubic root of 47790780 is about 362.8953245681.

The spelling of 47790780 in words is "forty-seven million, seven hundred ninety thousand, seven hundred eighty".