741391 has 4 divisors (see below), whose sum is σ = 847312. Its totient is φ = 635472.

The previous prime is 741373. The next prime is 741401. The reversal of 741391 is 193147.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-741391 is a prime.

It is a super-2 number, since 2×741391² = 1099321229762, which contains 22 as substring.

It is a Duffinian number.

741391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741341) 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, 52950 + ... + 52963.

It is an arithmetic number, because the mean of its divisors is an integer number (211828).

2⁷⁴¹³⁹¹ is an apocalyptic number.

741391 is a deficient number, since it is larger than the sum of its proper divisors (105921).

741391 is a wasteful number, since it uses less digits than its factorization.

741391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105920.

The product of its digits is 756, while the sum is 25.

The square root of 741391 is about 861.0406494469. The cubic root of 741391 is about 90.5070556041.

The spelling of 741391 in words is "seven hundred forty-one thousand, three hundred ninety-one".