49347729 has 6 divisors (see below), whose sum is σ = 71280066. Its totient is φ = 32898480.

The previous prime is 49347721. The next prime is 49347737. The reversal of 49347729 is 92774394.

It is an interprime number because it is at equal distance from previous prime (49347721) and next prime (49347737).

It can be written as a sum of positive squares in only one way, i.e., 41796225 + 7551504 = 6465^2 + 2748^2 .

It is not a de Polignac number, because 49347729 - 2³ = 49347721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49347721) 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, 2741532 + ... + 2741549.

It is an arithmetic number, because the mean of its divisors is an integer number (11880011).

Almost surely, 2^49347729 is an apocalyptic number.

It is an amenable number.

49347729 is a deficient number, since it is larger than the sum of its proper divisors (21932337).

49347729 is a wasteful number, since it uses less digits than its factorization.

49347729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483087 (or 5483084 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 49347729 is about 7024.7938759796. The cubic root of 49347729 is about 366.7941414439.

The spelling of 49347729 in words is "forty-nine million, three hundred forty-seven thousand, seven hundred twenty-nine".