49726739 has 2 divisors, whose sum is σ = 49726740. Its totient is φ = 49726738.

The previous prime is 49726693. The next prime is 49726741. The reversal of 49726739 is 93762794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49726739 is a prime.

Together with 49726741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49726693 and 49726702.

It is not a weakly prime, because it can be changed into another prime (49726639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24863369 + 24863370.

It is an arithmetic number, because the mean of its divisors is an integer number (24863370).

Almost surely, 2^49726739 is an apocalyptic number.

49726739 is a deficient number, since it is larger than the sum of its proper divisors (1).

49726739 is an equidigital number, since it uses as much as digits as its factorization.

49726739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 47.

The square root of 49726739 is about 7051.7188684746. The cubic root of 49726739 is about 367.7307887510.

It can be divided in two parts, 4972 and 6739, that added together give a palindrome (11711).

The spelling of 49726739 in words is "forty-nine million, seven hundred twenty-six thousand, seven hundred thirty-nine".