41386729 has 4 divisors (see below), whose sum is σ = 43186176. Its totient is φ = 39587284.

The previous prime is 41386717. The next prime is 41386733. The reversal of 41386729 is 92768314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92768314 = 2 ⋅46384157.

It is a cyclic number.

It is not a de Polignac number, because 41386729 - 2⁷ = 41386601 is a prime.

It is a super-2 number, since 2×41386729² = 3425722674638882, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41386691 and 41386700.

It is not an unprimeable number, because it can be changed into a prime (41386129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899689 + ... + 899734.

It is an arithmetic number, because the mean of its divisors is an integer number (10796544).

Almost surely, 2^41386729 is an apocalyptic number.

It is an amenable number.

41386729 is a deficient number, since it is larger than the sum of its proper divisors (1799447).

41386729 is a wasteful number, since it uses less digits than its factorization.

41386729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799446.

The product of its digits is 72576, while the sum is 40.

The square root of 41386729 is about 6433.2518215907. The cubic root of 41386729 is about 345.9025001767.

The spelling of 41386729 in words is "forty-one million, three hundred eighty-six thousand, seven hundred twenty-nine".