742418 has 8 divisors (see below), whose sum is σ = 1119180. Its totient is φ = 369360.

The previous prime is 742409. The next prime is 742439. The reversal of 742418 is 814247.

It can be written as a sum of positive squares in 2 ways, for example, as 628849 + 113569 = 793^2 + 337^2 .

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

It is a Curzon number.

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, 353 + ... + 1268.

2⁷⁴²⁴¹⁸ is an apocalyptic number.

742418 is a deficient number, since it is larger than the sum of its proper divisors (376762).

742418 is a wasteful number, since it uses less digits than its factorization.

742418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

The product of its digits is 1792, while the sum is 26.

The square root of 742418 is about 861.6368144410. The cubic root of 742418 is about 90.5488274715.

The spelling of 742418 in words is "seven hundred forty-two thousand, four hundred eighteen".