742085 has 8 divisors (see below), whose sum is σ = 896280. Its totient is φ = 589824.

The previous prime is 742073. The next prime is 742111. The reversal of 742085 is 580247.

742085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12769 + 729316 = 113^2 + 854^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 742085 - 2⁴ = 742069 is a prime.

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, 581 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (112035).

2⁷⁴²⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

742085 is a deficient number, since it is larger than the sum of its proper divisors (154195).

742085 is a wasteful number, since it uses less digits than its factorization.

742085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 742085 is about 861.4435558991. The cubic root of 742085 is about 90.5352873594.

It can be divided in two parts, 74 and 2085, that multiplied together give a triangular number (154290 = T₅₅₅).

The spelling of 742085 in words is "seven hundred forty-two thousand, eighty-five".