85741405 has 8 divisors (see below), whose sum is σ = 103060152. Its totient is φ = 68479488.

The previous prime is 85741393. The next prime is 85741463. The reversal of 85741405 is 50414758.

It can be written as a sum of positive squares in 4 ways, for example, as 7365796 + 78375609 = 2714^2 + 8853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85741405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10812 + ... + 16981.

It is an arithmetic number, because the mean of its divisors is an integer number (12882519).

Almost surely, 2^85741405 is an apocalyptic number.

It is an amenable number.

85741405 is a deficient number, since it is larger than the sum of its proper divisors (17318747).

85741405 is a wasteful number, since it uses less digits than its factorization.

85741405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28415.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 85741405 is about 9259.6654907183. The cubic root of 85741405 is about 440.9576336084.

The spelling of 85741405 in words is "eighty-five million, seven hundred forty-one thousand, four hundred five".