742023 has 12 divisors (see below), whose sum is σ = 1109160. Its totient is φ = 477456.

The previous prime is 742009. The next prime is 742031. The reversal of 742023 is 320247.

It is a happy number.

742023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 742023 - 2⁵ = 741991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 741987 and 742005.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 1161 + ... + 1682.

It is an arithmetic number, because the mean of its divisors is an integer number (92430).

2⁷⁴²⁰²³ is an apocalyptic number.

742023 is a deficient number, since it is larger than the sum of its proper divisors (367137).

742023 is a wasteful number, since it uses less digits than its factorization.

742023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 742023 is about 861.4075690403. The cubic root of 742023 is about 90.5327659303.

The spelling of 742023 in words is "seven hundred forty-two thousand, twenty-three", and thus it is an iban number.