41649739 has 4 divisors (see below), whose sum is σ = 41673240. Its totient is φ = 41626240.

The previous prime is 41649737. The next prime is 41649743. The reversal of 41649739 is 93794614.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41649739 - 2¹ = 41649737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41649695 and 41649704.

It is not an unprimeable number, because it can be changed into a prime (41649731) 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, 8854 + ... + 12715.

It is an arithmetic number, because the mean of its divisors is an integer number (10418310).

Almost surely, 2^41649739 is an apocalyptic number.

41649739 is a deficient number, since it is larger than the sum of its proper divisors (23501).

41649739 is a wasteful number, since it uses less digits than its factorization.

41649739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23500.

The product of its digits is 163296, while the sum is 43.

The square root of 41649739 is about 6453.6608990557. The cubic root of 41649739 is about 346.6336828620.

It can be divided in two parts, 4 and 1649739, that multiplied together give a palindrome (6598956).

The spelling of 41649739 in words is "forty-one million, six hundred forty-nine thousand, seven hundred thirty-nine".