49729705 has 4 divisors (see below), whose sum is σ = 59675652. Its totient is φ = 39783760.

The previous prime is 49729697. The next prime is 49729711. The reversal of 49729705 is 50792794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22240656 + 27489049 = 4716^2 + 5243^2 .

It is not a de Polignac number, because 49729705 - 2³ = 49729697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4972966 + ... + 4972975.

It is an arithmetic number, because the mean of its divisors is an integer number (14918913).

Almost surely, 2^49729705 is an apocalyptic number.

It is an amenable number.

49729705 is a deficient number, since it is larger than the sum of its proper divisors (9945947).

49729705 is an equidigital number, since it uses as much as digits as its factorization.

49729705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9945946.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 49729705 is about 7051.9291686743. The cubic root of 49729705 is about 367.7380998265.

The spelling of 49729705 in words is "forty-nine million, seven hundred twenty-nine thousand, seven hundred five".