742446 has 20 divisors (see below), whose sum is σ = 1663992. Its totient is φ = 247428.

The previous prime is 742439. The next prime is 742457. The reversal of 742446 is 644247.

742446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

742446 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 in 9 ways as a sum of consecutive naturals, for example, 2130 + ... + 2453.

2⁷⁴²⁴⁴⁶ is an apocalyptic number.

742446 is an abundant number, since it is smaller than the sum of its proper divisors (921546).

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

742446 is a wasteful number, since it uses less digits than its factorization.

742446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597 (or 4588 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 742446 is about 861.6530624329. The cubic root of 742446 is about 90.5499657948.

The spelling of 742446 in words is "seven hundred forty-two thousand, four hundred forty-six".