49793729 has 4 divisors (see below), whose sum is σ = 50099376. Its totient is φ = 49488084.

The previous prime is 49793687. The next prime is 49793741. The reversal of 49793729 is 92739794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49793729 - 2⁸ = 49793473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49793929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152579 + ... + 152904.

It is an arithmetic number, because the mean of its divisors is an integer number (12524844).

Almost surely, 2^49793729 is an apocalyptic number.

It is an amenable number.

49793729 is a deficient number, since it is larger than the sum of its proper divisors (305647).

49793729 is a wasteful number, since it uses less digits than its factorization.

49793729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305646.

The product of its digits is 857304, while the sum is 50.

The square root of 49793729 is about 7056.4671755773. The cubic root of 49793729 is about 367.8958457014.

The spelling of 49793729 in words is "forty-nine million, seven hundred ninety-three thousand, seven hundred twenty-nine".