47481468 has 48 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 14951104.

The previous prime is 47481461. The next prime is 47481509. The reversal of 47481468 is 86418474.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47481461) 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, 14905 + ... + 17807.

It is an arithmetic number, because the mean of its divisors is an integer number (2439360).

Almost surely, 2^47481468 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 47481468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58544640).

47481468 is an abundant number, since it is smaller than the sum of its proper divisors (69607812).

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

47481468 is a wasteful number, since it uses less digits than its factorization.

47481468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2984 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 47481468 is about 6890.6797922992. The cubic root of 47481468 is about 362.1107177386.

It can be divided in two parts, 4748 and 1468, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 47481468 in words is "forty-seven million, four hundred eighty-one thousand, four hundred sixty-eight".