47458458 has 48 divisors (see below), whose sum is σ = 112409856. Its totient is φ = 14405760.

The previous prime is 47458429. The next prime is 47458483. The reversal of 47458458 is 85485474.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6985 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (2341872).

Almost surely, 2^47458458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47458458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56204928).

47458458 is an abundant number, since it is smaller than the sum of its proper divisors (64951398).

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

47458458 is a wasteful number, since it uses less digits than its factorization.

47458458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059 (or 5056 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 47458458 is about 6889.0099433808. The cubic root of 47458458 is about 362.0522141140.

It can be divided in two parts, 4745 and 8458, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 47458458 in words is "forty-seven million, four hundred fifty-eight thousand, four hundred fifty-eight".