41666738 has 16 divisors (see below), whose sum is σ = 63420504. Its totient is φ = 20528640.

The previous prime is 41666717. The next prime is 41666749. The reversal of 41666738 is 83766614.

It can be written as a sum of positive squares in 4 ways, for example, as 35844169 + 5822569 = 5987^2 + 2413^2 .

It is a super-2 number, since 2×41666738² = 3472234111121288, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 41666695 and 41666704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76748 + ... + 77288.

Almost surely, 2^41666738 is an apocalyptic number.

41666738 is a deficient number, since it is larger than the sum of its proper divisors (21753766).

41666738 is a wasteful number, since it uses less digits than its factorization.

41666738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037.

The product of its digits is 145152, while the sum is 41.

The square root of 41666738 is about 6454.9777691329. The cubic root of 41666738 is about 346.6808350143.

The spelling of 41666738 in words is "forty-one million, six hundred sixty-six thousand, seven hundred thirty-eight".