734381 has 2 divisors, whose sum is σ = 734382. Its totient is φ = 734380.

The previous prime is 734347. The next prime is 734389. The reversal of 734381 is 183437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 722500 + 11881 = 850^2 + 109^2 .

It is an emirp because it is prime and its reverse (183437) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-734381 is a prime.

It is a super-2 number, since 2×734381² = 1078630906322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 734381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (734389) 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 as a sum of consecutive naturals, namely, 367190 + 367191.

It is an arithmetic number, because the mean of its divisors is an integer number (367191).

2⁷³⁴³⁸¹ is an apocalyptic number.

It is an amenable number.

734381 is a deficient number, since it is larger than the sum of its proper divisors (1).

734381 is an equidigital number, since it uses as much as digits as its factorization.

734381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 734381 is about 856.9603258028. The cubic root of 734381 is about 90.2208977101.

The spelling of 734381 in words is "seven hundred thirty-four thousand, three hundred eighty-one".