41661972 has 48 divisors (see below), whose sum is σ = 117835200. Its totient is φ = 12624480.

The previous prime is 41661943. The next prime is 41661979. The reversal of 41661972 is 27916614.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41661979) 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, 16347 + ... + 18722.

It is an arithmetic number, because the mean of its divisors is an integer number (2454900).

Almost surely, 2^41661972 is an apocalyptic number.

It is an amenable number.

41661972 is an abundant number, since it is smaller than the sum of its proper divisors (76173228).

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

41661972 is a wasteful number, since it uses less digits than its factorization.

41661972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35093 (or 35085 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 41661972 is about 6454.6085861189. The cubic root of 41661972 is about 346.6676162860.

The spelling of 41661972 in words is "forty-one million, six hundred sixty-one thousand, nine hundred seventy-two".