49772078 has 4 divisors (see below), whose sum is σ = 74658120. Its totient is φ = 24886038.

The previous prime is 49772071. The next prime is 49772083. The reversal of 49772078 is 87027794.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49772071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12443018 + ... + 12443021.

It is an arithmetic number, because the mean of its divisors is an integer number (18664530).

Almost surely, 2^49772078 is an apocalyptic number.

49772078 is a deficient number, since it is larger than the sum of its proper divisors (24886042).

49772078 is a wasteful number, since it uses less digits than its factorization.

49772078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24886041.

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

The square root of 49772078 is about 7054.9328841598. The cubic root of 49772078 is about 367.8425159089.

The spelling of 49772078 in words is "forty-nine million, seven hundred seventy-two thousand, seventy-eight".