40761065 has 4 divisors (see below), whose sum is σ = 48913284. Its totient is φ = 32608848.

The previous prime is 40760999. The next prime is 40761089. The reversal of 40761065 is 56016704.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28761769 + 11999296 = 5363^2 + 3464^2 .

It is a cyclic number.

It is not a de Polignac number, because 40761065 - 2⁸ = 40760809 is a prime.

It is a super-2 number, since 2×40761065² = 3322928839868450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4076102 + ... + 4076111.

It is an arithmetic number, because the mean of its divisors is an integer number (12228321).

Almost surely, 2^40761065 is an apocalyptic number.

It is an amenable number.

40761065 is a deficient number, since it is larger than the sum of its proper divisors (8152219).

40761065 is an equidigital number, since it uses as much as digits as its factorization.

40761065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152218.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40761065 is about 6384.4392862647. The cubic root of 40761065 is about 344.1505813848.

Adding to 40761065 its reverse (56016704), we get a palindrome (96777769).

The spelling of 40761065 in words is "forty million, seven hundred sixty-one thousand, sixty-five".