742473 has 16 divisors (see below), whose sum is σ = 1114560. Its totient is φ = 488448.

The previous prime is 742457. The next prime is 742499. The reversal of 742473 is 374247.

It is not a de Polignac number, because 742473 - 2⁴ = 742457 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (742073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2761 + ... + 3017.

It is an arithmetic number, because the mean of its divisors is an integer number (69660).

2⁷⁴²⁴⁷³ is an apocalyptic number.

It is an amenable number.

742473 is a deficient number, since it is larger than the sum of its proper divisors (372087).

742473 is a wasteful number, since it uses less digits than its factorization.

742473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 367 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 742473 is about 861.6687298492. The cubic root of 742473 is about 90.5510634367.

The spelling of 742473 in words is "seven hundred forty-two thousand, four hundred seventy-three", and thus it is an iban number.