49342178 has 6 divisors (see below), whose sum is σ = 74028171. Its totient is φ = 24666122.

The previous prime is 49342141. The next prime is 49342193. The reversal of 49342178 is 87124394.

It can be written as a sum of positive squares in only one way, i.e., 24671089 + 24671089 = 4967^2 + 4967^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4967.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7451 + ... + 12417.

Almost surely, 2^49342178 is an apocalyptic number.

49342178 is a deficient number, since it is larger than the sum of its proper divisors (24685993).

49342178 is an frugal number, since it uses more digits than its factorization.

49342178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936 (or 4969 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 49342178 is about 7024.3987643072. The cubic root of 49342178 is about 366.7803876828.

The spelling of 49342178 in words is "forty-nine million, three hundred forty-two thousand, one hundred seventy-eight".