774161741 has 2 divisors, whose sum is σ = 774161742. Its totient is φ = 774161740.

The previous prime is 774161711. The next prime is 774161747. The reversal of 774161741 is 147161477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526886116 + 247275625 = 22954^2 + 15725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-774161741 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 774161695 and 774161704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (774161747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387080870 + 387080871.

It is an arithmetic number, because the mean of its divisors is an integer number (387080871).

Almost surely, 2^774161741 is an apocalyptic number.

It is an amenable number.

774161741 is a deficient number, since it is larger than the sum of its proper divisors (1).

774161741 is an equidigital number, since it uses as much as digits as its factorization.

774161741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 38.

The square root of 774161741 is about 27823.7621647397. The cubic root of 774161741 is about 918.2139818372.

The spelling of 774161741 in words is "seven hundred seventy-four million, one hundred sixty-one thousand, seven hundred forty-one".