47749225 has 24 divisors (see below), whose sum is σ = 62228160. Its totient is φ = 36294720.

The previous prime is 47749199. The next prime is 47749241. The reversal of 47749225 is 52294774.

It is not a de Polignac number, because 47749225 - 2¹³ = 47741033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48084 + ... + 49066.

It is an arithmetic number, because the mean of its divisors is an integer number (2592840).

Almost surely, 2^47749225 is an apocalyptic number.

It is an amenable number.

47749225 is a deficient number, since it is larger than the sum of its proper divisors (14478935).

47749225 is a wasteful number, since it uses less digits than its factorization.

47749225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1084 counting only the distinct ones).

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

The square root of 47749225 is about 6910.0814032832. The cubic root of 47749225 is about 362.7901125855.

It can be divided in two parts, 47749 and 225, that added together give a palindrome (47974).

The spelling of 47749225 in words is "forty-seven million, seven hundred forty-nine thousand, two hundred twenty-five".