41720057 has 4 divisors (see below), whose sum is σ = 44174196. Its totient is φ = 39265920.

The previous prime is 41720051. The next prime is 41720071. The reversal of 41720057 is 75002714.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75002714 = 2 ⋅37501357.

It can be written as a sum of positive squares in 2 ways, for example, as 13957696 + 27762361 = 3736^2 + 5269^2 .

It is not a de Polignac number, because 41720057 - 2²⁰ = 40671481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41720051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227044 + ... + 1227077.

It is an arithmetic number, because the mean of its divisors is an integer number (11043549).

Almost surely, 2^41720057 is an apocalyptic number.

It is an amenable number.

41720057 is a deficient number, since it is larger than the sum of its proper divisors (2454139).

41720057 is a wasteful number, since it uses less digits than its factorization.

41720057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454138.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 41720057 is about 6459.1065171585. The cubic root of 41720057 is about 346.8286491323.

The spelling of 41720057 in words is "forty-one million, seven hundred twenty thousand, fifty-seven".