47348730 has 144 divisors (see below), whose sum is σ = 145937376. Its totient is φ = 10558080.

The previous prime is 47348701. The next prime is 47348731. The reversal of 47348730 is 3784374.

It is a super-2 number, since 2×47348730² = 4483804465225800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47348731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 167169 + ... + 167451.

It is an arithmetic number, because the mean of its divisors is an integer number (1013454).

Almost surely, 2^47348730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47348730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72968688).

47348730 is an abundant number, since it is smaller than the sum of its proper divisors (98588646).

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

47348730 is a wasteful number, since it uses less digits than its factorization.

47348730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 47348730 is about 6881.0413456104. The cubic root of 47348730 is about 361.7729669294.

The spelling of 47348730 in words is "forty-seven million, three hundred forty-eight thousand, seven hundred thirty".