734891 has 4 divisors (see below), whose sum is σ = 745032. Its totient is φ = 724752.

The previous prime is 734887. The next prime is 734897. The reversal of 734891 is 198437.

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 734891 - 2² = 734887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734897) 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, 4961 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (186258).

2⁷³⁴⁸⁹¹ is an apocalyptic number.

734891 is a deficient number, since it is larger than the sum of its proper divisors (10141).

734891 is a wasteful number, since it uses less digits than its factorization.

734891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10140.

The product of its digits is 6048, while the sum is 32.

The square root of 734891 is about 857.2578375261. The cubic root of 734891 is about 90.2417778847.

The spelling of 734891 in words is "seven hundred thirty-four thousand, eight hundred ninety-one".