49726728 has 48 divisors (see below), whose sum is σ = 139027200. Its totient is φ = 16040160.

The previous prime is 49726693. The next prime is 49726739. The reversal of 49726728 is 82762794.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8908 + ... + 13371.

It is an arithmetic number, because the mean of its divisors is an integer number (2896400).

Almost surely, 2^49726728 is an apocalyptic number.

It is an amenable number.

49726728 is an abundant number, since it is smaller than the sum of its proper divisors (89300472).

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

49726728 is a wasteful number, since it uses less digits than its factorization.

49726728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22322 (or 22315 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 49726728 is about 7051.7180885228. The cubic root of 49726728 is about 367.7307616359.

It can be divided in two parts, 497 and 26728, that added together give a square (27225 = 165²).

The spelling of 49726728 in words is "forty-nine million, seven hundred twenty-six thousand, seven hundred twenty-eight".