41721400 has 96 divisors (see below), whose sum is σ = 117447840. Its totient is φ = 13455360.

The previous prime is 41721371. The next prime is 41721403. The reversal of 41721400 is 412714.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41721403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22924 + ... + 24676.

It is an arithmetic number, because the mean of its divisors is an integer number (1223415).

Almost surely, 2^41721400 is an apocalyptic number.

41721400 is a gapful number since it is divisible by the number (40) 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 41721400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58723920).

41721400 is an abundant number, since it is smaller than the sum of its proper divisors (75726440).

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

41721400 is a wasteful number, since it uses less digits than its factorization.

41721400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 41721400 is about 6459.2104780693. The cubic root of 41721400 is about 346.8323706507.

The spelling of 41721400 in words is "forty-one million, seven hundred twenty-one thousand, four hundred".