49621072 has 20 divisors (see below), whose sum is σ = 96644980. Its totient is φ = 24680448.

The previous prime is 49621069. The next prime is 49621073. The reversal of 49621072 is 27012694.

It can be written as a sum of positive squares in 2 ways, for example, as 12362256 + 37258816 = 3516^2 + 6104^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49621073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4947 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (4832249).

Almost surely, 2^49621072 is an apocalyptic number.

It is an amenable number.

49621072 is a deficient number, since it is larger than the sum of its proper divisors (47023908).

49621072 is a wasteful number, since it uses less digits than its factorization.

49621072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16270 (or 16264 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 49621072 is about 7044.2225972779. Note that the first 3 decimals coincide. The cubic root of 49621072 is about 367.4701337816.

The spelling of 49621072 in words is "forty-nine million, six hundred twenty-one thousand, seventy-two".