742534 has 8 divisors (see below), whose sum is σ = 1199520. Its totient is φ = 342696.

The previous prime is 742531. The next prime is 742537. The reversal of 742534 is 435247.

It is an interprime number because it is at equal distance from previous prime (742531) and next prime (742537).

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

It is a junction number, because it is equal to n+sod(n) for n = 742499 and 742508.

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 3 ways as a sum of consecutive naturals, for example, 14254 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2⁷⁴²⁵³⁴ is an apocalyptic number.

742534 is a deficient number, since it is larger than the sum of its proper divisors (456986).

742534 is a wasteful number, since it uses less digits than its factorization.

742534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28574.

The product of its digits is 3360, while the sum is 25.

The square root of 742534 is about 861.7041255559. The cubic root of 742534 is about 90.5535431963.

The spelling of 742534 in words is "seven hundred forty-two thousand, five hundred thirty-four".