47439753 has 8 divisors (see below), whose sum is σ = 63506016. Its totient is φ = 31500500.

The previous prime is 47439697. The next prime is 47439757. The reversal of 47439753 is 35793474.

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=251.

It is not a de Polignac number, because 47439753 - 2¹³ = 47431561 is a prime.

Its product of digits (317520) is a multiple of the sum of its prime factors (756).

It is not an unprimeable number, because it can be changed into a prime (47439757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188878 + ... + 189128.

It is an arithmetic number, because the mean of its divisors is an integer number (7938252).

Almost surely, 2^47439753 is an apocalyptic number.

It is an amenable number.

47439753 is a deficient number, since it is larger than the sum of its proper divisors (16066263).

47439753 is an frugal number, since it uses more digits than its factorization.

47439753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 254 counting only the distinct ones).

The product of its digits is 317520, while the sum is 42.

The square root of 47439753 is about 6887.6522124741. The cubic root of 47439753 is about 362.0046421472.

The spelling of 47439753 in words is "forty-seven million, four hundred thirty-nine thousand, seven hundred fifty-three".