49216739 has 8 divisors (see below), whose sum is σ = 57821232. Its totient is φ = 41300640.

The previous prime is 49216723. The next prime is 49216753. The reversal of 49216739 is 93761294.

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 49216739 - 2⁴ = 49216723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49216696 and 49216705.

It is not an unprimeable number, because it can be changed into a prime (49216439) 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, 171944 + ... + 172229.

It is an arithmetic number, because the mean of its divisors is an integer number (7227654).

Almost surely, 2^49216739 is an apocalyptic number.

49216739 is a deficient number, since it is larger than the sum of its proper divisors (8604493).

49216739 is a wasteful number, since it uses less digits than its factorization.

49216739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344197.

The product of its digits is 81648, while the sum is 41.

The square root of 49216739 is about 7015.4642754418. The cubic root of 49216739 is about 366.4693109655.

The spelling of 49216739 in words is "forty-nine million, two hundred sixteen thousand, seven hundred thirty-nine".