47450730 has 64 divisors (see below), whose sum is σ = 118153728. Its totient is φ = 12188160.

The previous prime is 47450729. The next prime is 47450737. The reversal of 47450730 is 3705474.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (47450737) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 102700 + ... + 103160.

It is an arithmetic number, because the mean of its divisors is an integer number (1846152).

Almost surely, 2^47450730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47450730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59076864).

47450730 is an abundant number, since it is smaller than the sum of its proper divisors (70702998).

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

47450730 is a wasteful number, since it uses less digits than its factorization.

47450730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 47450730 is about 6888.4490271759. The cubic root of 47450730 is about 362.0325611971.

The spelling of 47450730 in words is "forty-seven million, four hundred fifty thousand, seven hundred thirty".