740006 has 4 divisors (see below), whose sum is σ = 1110012. Its totient is φ = 370002.

The previous prime is 739969. The next prime is 740011. The reversal of 740006 is 600047.

740006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

740006 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 as a sum of consecutive naturals, namely, 185000 + ... + 185003.

It is an arithmetic number, because the mean of its divisors is an integer number (277503).

2⁷⁴⁰⁰⁰⁶ is an apocalyptic number.

740006 is a deficient number, since it is larger than the sum of its proper divisors (370006).

740006 is a wasteful number, since it uses less digits than its factorization.

740006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370005.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 740006 is about 860.2360141264. The cubic root of 740006 is about 90.4506614250.

The spelling of 740006 in words is "seven hundred forty thousand, six".