49723637 has 2 divisors, whose sum is σ = 49723638. Its totient is φ = 49723636.

The previous prime is 49723621. The next prime is 49723673. The reversal of 49723637 is 73632794.

Together with next prime (49723673) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46594276 + 3129361 = 6826^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 49723637 - 2⁴ = 49723621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49723594 and 49723603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49723337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24861818 + 24861819.

It is an arithmetic number, because the mean of its divisors is an integer number (24861819).

Almost surely, 2^49723637 is an apocalyptic number.

It is an amenable number.

49723637 is a deficient number, since it is larger than the sum of its proper divisors (1).

49723637 is an equidigital number, since it uses as much as digits as its factorization.

49723637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The square root of 49723637 is about 7051.4989186697. The cubic root of 49723637 is about 367.7231421297.

The spelling of 49723637 in words is "forty-nine million, seven hundred twenty-three thousand, six hundred thirty-seven".