49729647 has 8 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 30139160.

The previous prime is 49729643. The next prime is 49729651. The reversal of 49729647 is 74692794.

It is an interprime number because it is at equal distance from previous prime (49729643) and next prime (49729651).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49729647 - 2² = 49729643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49729596 and 49729605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49729643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753447 + ... + 753512.

It is an arithmetic number, because the mean of its divisors is an integer number (9041760).

Almost surely, 2^49729647 is an apocalyptic number.

49729647 is a deficient number, since it is larger than the sum of its proper divisors (22604433).

49729647 is a wasteful number, since it uses less digits than its factorization.

49729647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506973.

The product of its digits is 762048, while the sum is 48.

The square root of 49729647 is about 7051.9250563233. The cubic root of 49729647 is about 367.7379568616.

The spelling of 49729647 in words is "forty-nine million, seven hundred twenty-nine thousand, six hundred forty-seven".