742086 has 12 divisors (see below), whose sum is σ = 1607892. Its totient is φ = 247356.

The previous prime is 742073. The next prime is 742111. The reversal of 742086 is 680247.

742086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

742086 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20596 + ... + 20631.

It is an arithmetic number, because the mean of its divisors is an integer number (133991).

2⁷⁴²⁰⁸⁶ is an apocalyptic number.

742086 is an abundant number, since it is smaller than the sum of its proper divisors (865806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742086 is a wasteful number, since it uses less digits than its factorization.

742086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41235 (or 41232 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 742086 is about 861.4441363199. Note that the first 3 decimals coincide. The cubic root of 742086 is about 90.5353280264.

The spelling of 742086 in words is "seven hundred forty-two thousand, eighty-six".