47748340 has 12 divisors (see below), whose sum is σ = 100271556. Its totient is φ = 19099328.

The previous prime is 47748319. The next prime is 47748367. The reversal of 47748340 is 4384774.

It is a happy number.

47748340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36699364 + 11048976 = 6058^2 + 3324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47748340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193689 + ... + 1193728.

It is an arithmetic number, because the mean of its divisors is an integer number (8355963).

Almost surely, 2^47748340 is an apocalyptic number.

It is an amenable number.

47748340 is an abundant number, since it is smaller than the sum of its proper divisors (52523216).

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

47748340 is a wasteful number, since it uses less digits than its factorization.

47748340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387426 (or 2387424 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 47748340 is about 6910.0173661142. The cubic root of 47748340 is about 362.7878712141.

The spelling of 47748340 in words is "forty-seven million, seven hundred forty-eight thousand, three hundred forty".