742066 has 8 divisors (see below), whose sum is σ = 1198764. Its totient is φ = 342480.

The previous prime is 742057. The next prime is 742069. The reversal of 742066 is 660247.

742066 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 2 ways, for example, as 664225 + 77841 = 815^2 + 279^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 742066.

It is not an unprimeable number, because it can be changed into a prime (742069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14245 + ... + 14296.

2⁷⁴²⁰⁶⁶ is an apocalyptic number.

742066 is a deficient number, since it is larger than the sum of its proper divisors (456698).

742066 is a wasteful number, since it uses less digits than its factorization.

742066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28556.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 742066 is about 861.4325278279. The cubic root of 742066 is about 90.5345146783.

The spelling of 742066 in words is "seven hundred forty-two thousand, sixty-six".