49173147 has 6 divisors (see below), whose sum is σ = 71027892. Its totient is φ = 32782092.

The previous prime is 49173107. The next prime is 49173151. The reversal of 49173147 is 74137194.

It is not a de Polignac number, because 49173147 - 2¹² = 49169051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49173107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2731833 + ... + 2731850.

It is an arithmetic number, because the mean of its divisors is an integer number (11837982).

Almost surely, 2^49173147 is an apocalyptic number.

49173147 is a deficient number, since it is larger than the sum of its proper divisors (21854745).

49173147 is a wasteful number, since it uses less digits than its factorization.

49173147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5463689 (or 5463686 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 49173147 is about 7012.3567365045. The cubic root of 49173147 is about 366.3610832275.

The spelling of 49173147 in words is "forty-nine million, one hundred seventy-three thousand, one hundred forty-seven".