742533 has 8 divisors (see below), whose sum is σ = 1080096. Its totient is φ = 450000.

The previous prime is 742531. The next prime is 742537. The reversal of 742533 is 335247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 742533 - 2¹ = 742531 is a prime.

It is a Curzon number.

742533 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742531) 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, 11218 + ... + 11283.

It is an arithmetic number, because the mean of its divisors is an integer number (135012).

2⁷⁴²⁵³³ is an apocalyptic number.

It is an amenable number.

742533 is a deficient number, since it is larger than the sum of its proper divisors (337563).

742533 is a wasteful number, since it uses less digits than its factorization.

742533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515.

The product of its digits is 2520, while the sum is 24.

The square root of 742533 is about 861.7035453101. The cubic root of 742533 is about 90.5535025456.

It can be divided in two parts, 7425 and 33, that multiplied together give a square (245025 = 495²).

The spelling of 742533 in words is "seven hundred forty-two thousand, five hundred thirty-three".