49195728 has 80 divisors (see below), whose sum is σ = 142074240. Its totient is φ = 16298496.

The previous prime is 49195723. The next prime is 49195753. The reversal of 49195728 is 82759194.

49195728 is a `hidden beast` number, since 491 + 95 + 72 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49195721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113400 + ... + 113832.

It is an arithmetic number, because the mean of its divisors is an integer number (1775928).

Almost surely, 2^49195728 is an apocalyptic number.

49195728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49195728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71037120).

49195728 is an abundant number, since it is smaller than the sum of its proper divisors (92878512).

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

49195728 is a wasteful number, since it uses less digits than its factorization.

49195728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 701 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 49195728 is about 7013.9666380729. The cubic root of 49195728 is about 366.4171540312.

The spelling of 49195728 in words is "forty-nine million, one hundred ninety-five thousand, seven hundred twenty-eight".