41720406 has 64 divisors (see below), whose sum is σ = 105143808. Its totient is φ = 10741248.

The previous prime is 41720387. The next prime is 41720429. The reversal of 41720406 is 60402714.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22590 + ... + 24366.

It is an arithmetic number, because the mean of its divisors is an integer number (1642872).

Almost surely, 2^41720406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41720406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52571904).

41720406 is an abundant number, since it is smaller than the sum of its proper divisors (63423402).

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

41720406 is a wasteful number, since it uses less digits than its factorization.

41720406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 41720406 is about 6459.1335332225. The cubic root of 41720406 is about 346.8296162360.

The spelling of 41720406 in words is "forty-one million, seven hundred twenty thousand, four hundred six".