41975661 has 16 divisors (see below), whose sum is σ = 68883584. Its totient is φ = 22140864.

The previous prime is 41975641. The next prime is 41975671. The reversal of 41975661 is 16657914.

It is not a de Polignac number, because 41975661 - 2¹⁰ = 41974637 is a prime.

It is a super-2 number, since 2×41975661² = 3523912232773842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41975641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76606 + ... + 77151.

It is an arithmetic number, because the mean of its divisors is an integer number (4305224).

Almost surely, 2^41975661 is an apocalyptic number.

It is an amenable number.

41975661 is a deficient number, since it is larger than the sum of its proper divisors (26907923).

41975661 is a wasteful number, since it uses less digits than its factorization.

41975661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153780.

The product of its digits is 45360, while the sum is 39.

The square root of 41975661 is about 6478.8626316661. The cubic root of 41975661 is about 347.5355062662.

The spelling of 41975661 in words is "forty-one million, nine hundred seventy-five thousand, six hundred sixty-one".