742986 has 16 divisors (see below), whose sum is σ = 1651200. Its totient is φ = 247644.

The previous prime is 742981. The next prime is 742991. The reversal of 742986 is 689247.

742986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (742981) and next prime (742991).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 742986.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 742986.

It is not an unprimeable number, because it can be changed into a prime (742981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6826 + ... + 6933.

It is an arithmetic number, because the mean of its divisors is an integer number (103200).

2⁷⁴²⁹⁸⁶ is an apocalyptic number.

742986 is an abundant number, since it is smaller than the sum of its proper divisors (908214).

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

742986 is a wasteful number, since it uses less digits than its factorization.

742986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13770 (or 13764 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 742986 is about 861.9663566520. The cubic root of 742986 is about 90.5719135781.

It can be divided in two parts, 742 and 986, that added together give a cube (1728 = 12³).

The spelling of 742986 in words is "seven hundred forty-two thousand, nine hundred eighty-six".