742006 has 8 divisors (see below), whose sum is σ = 1117224. Its totient is φ = 369600.

The previous prime is 741991. The next prime is 742009. The reversal of 742006 is 600247.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742009) by changing a digit.

742006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (139653).

2⁷⁴²⁰⁰⁶ is an apocalyptic number.

742006 is a deficient number, since it is larger than the sum of its proper divisors (375218).

742006 is a wasteful number, since it uses less digits than its factorization.

742006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 742006 is about 861.3977014132. The cubic root of 742006 is about 90.5320745461.

It can be divided in two parts, 74 and 2006, that added together give a triangular number (2080 = T₆₄).

The spelling of 742006 in words is "seven hundred forty-two thousand, six".