742433 has 4 divisors (see below), whose sum is σ = 745008. Its totient is φ = 739860.

The previous prime is 742409. The next prime is 742439. The reversal of 742433 is 334247.

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 a cyclic number.

It is not a de Polignac number, because 742433 - 2⁶ = 742369 is a prime.

It is a d-powerful number, because it can be written as 7² + 4 + 4⁵ + 2¹⁵ + 3¹¹ + 3¹² .

It is a Duffinian number.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 742399 and 742408.

It is not an unprimeable number, because it can be changed into a prime (742439) 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, 791 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (186252).

2⁷⁴²⁴³³ is an apocalyptic number.

It is an amenable number.

742433 is a deficient number, since it is larger than the sum of its proper divisors (2575).

742433 is a wasteful number, since it uses less digits than its factorization.

742433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574.

The product of its digits is 2016, while the sum is 23.

The square root of 742433 is about 861.6455187605. The cubic root of 742433 is about 90.5494372911.

The spelling of 742433 in words is "seven hundred forty-two thousand, four hundred thirty-three".