41778725 has 12 divisors (see below), whose sum is σ = 51918180. Its totient is φ = 33350400.

The previous prime is 41778697. The next prime is 41778727. The reversal of 41778725 is 52787714.

It can be written as a sum of positive squares in 6 ways, for example, as 124609 + 41654116 = 353^2 + 6454^2 .

It is not a de Polignac number, because 41778725 - 2²⁰ = 40730149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41778727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11981 + ... + 15069.

It is an arithmetic number, because the mean of its divisors is an integer number (4326515).

Almost surely, 2^41778725 is an apocalyptic number.

It is an amenable number.

41778725 is a deficient number, since it is larger than the sum of its proper divisors (10139455).

41778725 is a wasteful number, since it uses less digits than its factorization.

41778725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640 (or 3635 counting only the distinct ones).

The product of its digits is 109760, while the sum is 41.

The square root of 41778725 is about 6463.6464166908. The cubic root of 41778725 is about 346.9911466153.

The spelling of 41778725 in words is "forty-one million, seven hundred seventy-eight thousand, seven hundred twenty-five".