742273 has 8 divisors (see below), whose sum is σ = 893120. Its totient is φ = 602640.

The previous prime is 742253. The next prime is 742277. The reversal of 742273 is 372247.

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 742273 - 2⁵ = 742241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742277) 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, 2658 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (111640).

2⁷⁴²²⁷³ is an apocalyptic number.

It is an amenable number.

742273 is a deficient number, since it is larger than the sum of its proper divisors (150847).

742273 is a wasteful number, since it uses less digits than its factorization.

742273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607.

The product of its digits is 2352, while the sum is 25.

The square root of 742273 is about 861.5526681521. The cubic root of 742273 is about 90.5429321246.

It can be divided in two parts, 742 and 273, that multiplied together give a triangular number (202566 = T₆₃₆).

The spelling of 742273 in words is "seven hundred forty-two thousand, two hundred seventy-three", and thus it is an iban number.