41721730 has 16 divisors (see below), whose sum is σ = 76158144. Its totient is φ = 16453360.

The previous prime is 41721727. The next prime is 41721731. The reversal of 41721730 is 3712714.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 41721695 and 41721704.

It is not an unprimeable number, because it can be changed into a prime (41721731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28672 + ... + 30091.

It is an arithmetic number, because the mean of its divisors is an integer number (4759884).

Almost surely, 2^41721730 is an apocalyptic number.

41721730 is a deficient number, since it is larger than the sum of its proper divisors (34436414).

41721730 is a wasteful number, since it uses less digits than its factorization.

41721730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58841.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 41721730 is about 6459.2360229365. The cubic root of 41721730 is about 346.8332850845.

The spelling of 41721730 in words is "forty-one million, seven hundred twenty-one thousand, seven hundred thirty".