742018 has 8 divisors (see below), whose sum is σ = 1140300. Its totient is φ = 361920.

The previous prime is 742009. The next prime is 742031. The reversal of 742018 is 810247.

It can be written as a sum of positive squares in 2 ways, for example, as 734449 + 7569 = 857^2 + 87^2 .

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 742018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4443 + ... + 4606.

2⁷⁴²⁰¹⁸ is an apocalyptic number.

742018 is a deficient number, since it is larger than the sum of its proper divisors (398282).

742018 is a wasteful number, since it uses less digits than its factorization.

742018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9092.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 742018 is about 861.4046668088. The cubic root of 742018 is about 90.5325625831.

It can be divided in two parts, 7 and 42018, that added together give a square (42025 = 205²).

The spelling of 742018 in words is "seven hundred forty-two thousand, eighteen".