785396741 has 2 divisors, whose sum is σ = 785396742. Its totient is φ = 785396740.

The previous prime is 785396737. The next prime is 785396761. The reversal of 785396741 is 147693587.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 784840225 + 556516 = 28015^2 + 746^2 .

It is a cyclic number.

It is not a de Polignac number, because 785396741 - 2² = 785396737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 785396741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (785396701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392698370 + 392698371.

It is an arithmetic number, because the mean of its divisors is an integer number (392698371).

Almost surely, 2^785396741 is an apocalyptic number.

It is an amenable number.

785396741 is a deficient number, since it is larger than the sum of its proper divisors (1).

785396741 is an equidigital number, since it uses as much as digits as its factorization.

785396741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 785396741 is about 28024.9307046423. The cubic root of 785396741 is about 922.6345173414.

The spelling of 785396741 in words is "seven hundred eighty-five million, three hundred ninety-six thousand, seven hundred forty-one".