47305434 has 48 divisors (see below), whose sum is σ = 108553536. Its totient is φ = 13706880.

The previous prime is 47305429. The next prime is 47305463. The reversal of 47305434 is 43450374.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15282 + ... + 18114.

It is an arithmetic number, because the mean of its divisors is an integer number (2261532).

Almost surely, 2^47305434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47305434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54276768).

47305434 is an abundant number, since it is smaller than the sum of its proper divisors (61248102).

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

47305434 is a wasteful number, since it uses less digits than its factorization.

47305434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 47305434 is about 6877.8945906433. The cubic root of 47305434 is about 361.6626640834.

The spelling of 47305434 in words is "forty-seven million, three hundred five thousand, four hundred thirty-four".