49778072 has 32 divisors (see below), whose sum is σ = 98431200. Its totient is φ = 23553024.

The previous prime is 49778021. The next prime is 49778083. The reversal of 49778072 is 27087794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16454 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (3075975).

Almost surely, 2^49778072 is an apocalyptic number.

It is an amenable number.

49778072 is a deficient number, since it is larger than the sum of its proper divisors (48653128).

49778072 is a wasteful number, since it uses less digits than its factorization.

49778072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915 (or 2911 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 49778072 is about 7055.3576805149. The cubic root of 49778072 is about 367.8572816144.

The spelling of 49778072 in words is "forty-nine million, seven hundred seventy-eight thousand, seventy-two".