47467780 has 48 divisors (see below), whose sum is σ = 103864320. Its totient is φ = 18200448.

The previous prime is 47467759. The next prime is 47467799. The reversal of 47467780 is 8776474.

47467780 = T₄₂₁ + T₄₂₂ + ... + T₇₁₀.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129157 + ... + 129523.

It is an arithmetic number, because the mean of its divisors is an integer number (2163840).

Almost surely, 2^47467780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47467780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51932160).

47467780 is an abundant number, since it is smaller than the sum of its proper divisors (56396540).

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

47467780 is a wasteful number, since it uses less digits than its factorization.

47467780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 47467780 is about 6889.6864950446. The cubic root of 47467780 is about 362.0759178606.

The spelling of 47467780 in words is "forty-seven million, four hundred sixty-seven thousand, seven hundred eighty".