742773 has 4 divisors (see below), whose sum is σ = 990368. Its totient is φ = 495180.

The previous prime is 742759. The next prime is 742783. The reversal of 742773 is 377247.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 742773 - 2⁴ = 742757 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123793 + ... + 123798.

It is an arithmetic number, because the mean of its divisors is an integer number (247592).

2⁷⁴²⁷⁷³ is an apocalyptic number.

It is an amenable number.

742773 is a deficient number, since it is larger than the sum of its proper divisors (247595).

742773 is a wasteful number, since it uses less digits than its factorization.

742773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247594.

The product of its digits is 8232, while the sum is 30.

The square root of 742773 is about 861.8427930893. The cubic root of 742773 is about 90.5632576674.

The spelling of 742773 in words is "seven hundred forty-two thousand, seven hundred seventy-three", and thus it is an iban number.