742494 has 16 divisors (see below), whose sum is σ = 1507968. Its totient is φ = 243672.

The previous prime is 742457. The next prime is 742499. The reversal of 742494 is 494247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742499) by changing a digit.

742494 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 7 ways as a sum of consecutive naturals, for example, 522 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (94248).

2⁷⁴²⁴⁹⁴ is an apocalyptic number.

742494 is an abundant number, since it is smaller than the sum of its proper divisors (765474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742494 is a wasteful number, since it uses less digits than its factorization.

742494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919.

The product of its digits is 8064, while the sum is 30.

The square root of 742494 is about 861.6809154206. The cubic root of 742494 is about 90.5519171398.

The spelling of 742494 in words is "seven hundred forty-two thousand, four hundred ninety-four".