742223 has 8 divisors (see below), whose sum is σ = 779856. Its totient is φ = 705600.

The previous prime is 742219. The next prime is 742229. The reversal of 742223 is 322247.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 742223 - 2² = 742219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742195 and 742204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553 + ... + 1973.

It is an arithmetic number, because the mean of its divisors is an integer number (97482).

2⁷⁴²²²³ is an apocalyptic number.

742223 is a deficient number, since it is larger than the sum of its proper divisors (37633).

742223 is a wasteful number, since it uses less digits than its factorization.

742223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505.

The product of its digits is 672, while the sum is 20.

The square root of 742223 is about 861.5236502848. The cubic root of 742223 is about 90.5408990684.

The spelling of 742223 in words is "seven hundred forty-two thousand, two hundred twenty-three", and thus it is an iban number.