49726637 has 2 divisors, whose sum is σ = 49726638. Its totient is φ = 49726636.

The previous prime is 49726613. The next prime is 49726639. The reversal of 49726637 is 73662794.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36228361 + 13498276 = 6019^2 + 3674^2 .

It is a cyclic number.

It is not a de Polignac number, because 49726637 - 2⁸ = 49726381 is a prime.

Together with 49726639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

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, 24863318 + 24863319.

It is an arithmetic number, because the mean of its divisors is an integer number (24863319).

Almost surely, 2^49726637 is an apocalyptic number.

It is an amenable number.

49726637 is a deficient number, since it is larger than the sum of its proper divisors (1).

49726637 is an equidigital number, since it uses as much as digits as its factorization.

49726637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 49726637 is about 7051.7116361916. The cubic root of 49726637 is about 367.7305373198.

The spelling of 49726637 in words is "forty-nine million, seven hundred twenty-six thousand, six hundred thirty-seven".