47105725 has 48 divisors (see below), whose sum is σ = 66424320. Its totient is φ = 32947200.

The previous prime is 47105719. The next prime is 47105741. The reversal of 47105725 is 52750174.

It is not a de Polignac number, because 47105725 - 2³ = 47105717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 596236 + ... + 596314.

It is an arithmetic number, because the mean of its divisors is an integer number (1383840).

Almost surely, 2^47105725 is an apocalyptic number.

It is an amenable number.

47105725 is a deficient number, since it is larger than the sum of its proper divisors (19318595).

47105725 is a wasteful number, since it uses less digits than its factorization.

47105725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 47105725 is about 6863.3610570915. The cubic root of 47105725 is about 361.1530033363.

Adding to 47105725 its reverse (52750174), we get a palindrome (99855899).

The spelling of 47105725 in words is "forty-seven million, one hundred five thousand, seven hundred twenty-five".