47730774 has 128 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 11539584.

The previous prime is 47730769. The next prime is 47730779. The reversal of 47730774 is 47703774.

It is an interprime number because it is at equal distance from previous prime (47730769) and next prime (47730779).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47730779) 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 63 ways as a sum of consecutive naturals, for example, 446029 + ... + 446135.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^47730774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47730774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63866880).

47730774 is an abundant number, since it is smaller than the sum of its proper divisors (80002986).

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

47730774 is a wasteful number, since it uses less digits than its factorization.

47730774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its (nonzero) digits is 115248, while the sum is 39.

The square root of 47730774 is about 6908.7461959461. The cubic root of 47730774 is about 362.7433774273.

Subtracting from 47730774 its reverse (47703774), we obtain a cube (27000 = 30³).

The spelling of 47730774 in words is "forty-seven million, seven hundred thirty thousand, seven hundred seventy-four".