41780728 has 32 divisors (see below), whose sum is σ = 86002560. Its totient is φ = 18870880.

The previous prime is 41780723. The next prime is 41780729. The reversal of 41780728 is 82708714.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41780723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13275 + ... + 16117.

It is an arithmetic number, because the mean of its divisors is an integer number (2687580).

Almost surely, 2^41780728 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 41780728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43001280).

41780728 is an abundant number, since it is smaller than the sum of its proper divisors (44221832).

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

41780728 is a wasteful number, since it uses less digits than its factorization.

41780728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3023 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 41780728 is about 6463.8013583340. The cubic root of 41780728 is about 346.9966917994.

The spelling of 41780728 in words is "forty-one million, seven hundred eighty thousand, seven hundred twenty-eight".