754391 has 4 divisors (see below), whose sum is σ = 822984. Its totient is φ = 685800.

The previous prime is 754381. The next prime is 754399. The reversal of 754391 is 193457.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 754391 - 2¹⁰ = 753367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (754399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34280 + ... + 34301.

It is an arithmetic number, because the mean of its divisors is an integer number (205746).

2⁷⁵⁴³⁹¹ is an apocalyptic number.

754391 is a deficient number, since it is larger than the sum of its proper divisors (68593).

754391 is a wasteful number, since it uses less digits than its factorization.

754391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68592.

The product of its digits is 3780, while the sum is 29.

The square root of 754391 is about 868.5568490318. The cubic root of 754391 is about 91.0329953207.

The spelling of 754391 in words is "seven hundred fifty-four thousand, three hundred ninety-one".