49121072 has 80 divisors (see below), whose sum is σ = 127825152. Its totient is φ = 17660160.

The previous prime is 49121069. The next prime is 49121087. The reversal of 49121072 is 27012194.

49121072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14483 + ... + 17549.

Almost surely, 2^49121072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49121072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63912576).

49121072 is an abundant number, since it is smaller than the sum of its proper divisors (78704080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49121072 is a wasteful number, since it uses less digits than its factorization.

49121072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 49121072 is about 7008.6426645963. The cubic root of 49121072 is about 366.2317105025.

It can be divided in two parts, 49 and 121072, that added together give a palindrome (121121).

The spelling of 49121072 in words is "forty-nine million, one hundred twenty-one thousand, seventy-two".