49121724 has 48 divisors (see below), whose sum is σ = 117129600. Its totient is φ = 16019520.

The previous prime is 49121713. The next prime is 49121747. The reversal of 49121724 is 42712194.

It is a junction number, because it is equal to n+sod(n) for n = 49121691 and 49121700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148239 + ... + 148569.

It is an arithmetic number, because the mean of its divisors is an integer number (2440200).

Almost surely, 2^49121724 is an apocalyptic number.

It is an amenable number.

49121724 is an abundant number, since it is smaller than the sum of its proper divisors (68007876).

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

49121724 is a wasteful number, since it uses less digits than its factorization.

49121724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 568 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 49121724 is about 7008.6891784413. The cubic root of 49121724 is about 366.2333308663.

The spelling of 49121724 in words is "forty-nine million, one hundred twenty-one thousand, seven hundred twenty-four".