47420406 has 48 divisors (see below), whose sum is σ = 112956480. Its totient is φ = 14258160.

The previous prime is 47420383. The next prime is 47420407. The reversal of 47420406 is 60402474.

It is a self number, because there is not a number n which added to its sum of digits gives 47420406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47420407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26661 + ... + 28383.

It is an arithmetic number, because the mean of its divisors is an integer number (2353260).

Almost surely, 2^47420406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47420406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56478240).

47420406 is an abundant number, since it is smaller than the sum of its proper divisors (65536074).

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

47420406 is a wasteful number, since it uses less digits than its factorization.

47420406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 47420406 is about 6886.2475993824. The cubic root of 47420406 is about 361.9554242397.

The spelling of 47420406 in words is "forty-seven million, four hundred twenty thousand, four hundred six".