47507944 has 16 divisors (see below), whose sum is σ = 97175520. Its totient is φ = 21594480.

The previous prime is 47507917. The next prime is 47507947. The reversal of 47507944 is 44970574.

It is a junction number, because it is equal to n+sod(n) for n = 47507897 and 47507906.

It is not an unprimeable number, because it can be changed into a prime (47507947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269844 + ... + 270019.

It is an arithmetic number, because the mean of its divisors is an integer number (6073470).

Almost surely, 2^47507944 is an apocalyptic number.

47507944 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47507944 is an abundant number, since it is smaller than the sum of its proper divisors (49667576).

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

47507944 is a wasteful number, since it uses less digits than its factorization.

47507944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539880 (or 539876 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 47507944 is about 6892.6006702840. The cubic root of 47507944 is about 362.1780103922.

The spelling of 47507944 in words is "forty-seven million, five hundred seven thousand, nine hundred forty-four".