49147772 has 12 divisors (see below), whose sum is σ = 88783296. Its totient is φ = 23781120.

The previous prime is 49147739. The next prime is 49147793. The reversal of 49147772 is 27774194.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 198053 + ... + 198300.

It is an arithmetic number, because the mean of its divisors is an integer number (7398608).

Almost surely, 2^49147772 is an apocalyptic number.

It is an amenable number.

49147772 is a deficient number, since it is larger than the sum of its proper divisors (39635524).

49147772 is a wasteful number, since it uses less digits than its factorization.

49147772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396388 (or 396386 counting only the distinct ones).

The product of its digits is 98784, while the sum is 41.

The square root of 49147772 is about 7010.5471969027. The cubic root of 49147772 is about 366.2980541652.

The spelling of 49147772 in words is "forty-nine million, one hundred forty-seven thousand, seven hundred seventy-two".