49079729 has 2 divisors, whose sum is σ = 49079730. Its totient is φ = 49079728.

The previous prime is 49079699. The next prime is 49079743. The reversal of 49079729 is 92797094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26801329 + 22278400 = 5177^2 + 4720^2 .

It is a cyclic number.

It is not a de Polignac number, because 49079729 - 2¹² = 49075633 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49072729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24539864 + 24539865.

It is an arithmetic number, because the mean of its divisors is an integer number (24539865).

Almost surely, 2^49079729 is an apocalyptic number.

It is an amenable number.

49079729 is a deficient number, since it is larger than the sum of its proper divisors (1).

49079729 is an equidigital number, since it uses as much as digits as its factorization.

49079729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 49079729 is about 7005.6926138677. The cubic root of 49079729 is about 366.1289347361.

The spelling of 49079729 in words is "forty-nine million, seventy-nine thousand, seven hundred twenty-nine".