49307747 has 4 divisors (see below), whose sum is σ = 50356896. Its totient is φ = 48258600.

The previous prime is 49307737. The next prime is 49307749. The reversal of 49307747 is 74770394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74770394 = 2 ⋅37385197.

It is a cyclic number.

It is not a de Polignac number, because 49307747 - 2¹⁶ = 49242211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49307749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524504 + ... + 524597.

It is an arithmetic number, because the mean of its divisors is an integer number (12589224).

Almost surely, 2^49307747 is an apocalyptic number.

49307747 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

49307747 is a deficient number, since it is larger than the sum of its proper divisors (1049149).

49307747 is a wasteful number, since it uses less digits than its factorization.

49307747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049148.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 49307747 is about 7021.9475218774. The cubic root of 49307747 is about 366.6950546432.

The spelling of 49307747 in words is "forty-nine million, three hundred seven thousand, seven hundred forty-seven".