49078247 has 2 divisors, whose sum is σ = 49078248. Its totient is φ = 49078246.

The previous prime is 49078229. The next prime is 49078307. The reversal of 49078247 is 74287094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49078247 - 2²⁰ = 48029671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49078747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24539123 + 24539124.

It is an arithmetic number, because the mean of its divisors is an integer number (24539124).

Almost surely, 2^49078247 is an apocalyptic number.

49078247 is a deficient number, since it is larger than the sum of its proper divisors (1).

49078247 is an equidigital number, since it uses as much as digits as its factorization.

49078247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 49078247 is about 7005.5868419427. The cubic root of 49078247 is about 366.1252495178.

The spelling of 49078247 in words is "forty-nine million, seventy-eight thousand, two hundred forty-seven".