874593749 has 2 divisors, whose sum is σ = 874593750. Its totient is φ = 874593748.

The previous prime is 874593743. The next prime is 874593787. The reversal of 874593749 is 947395478.

874593749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 874384900 + 208849 = 29570^2 + 457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874593749 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 874593694 and 874593703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874593743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437296874 + 437296875.

It is an arithmetic number, because the mean of its divisors is an integer number (437296875).

Almost surely, 2^874593749 is an apocalyptic number.

It is an amenable number.

874593749 is a deficient number, since it is larger than the sum of its proper divisors (1).

874593749 is an equidigital number, since it uses as much as digits as its factorization.

874593749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The square root of 874593749 is about 29573.5312230379. The cubic root of 874593749 is about 956.3175436705.

The spelling of 874593749 in words is "eight hundred seventy-four million, five hundred ninety-three thousand, seven hundred forty-nine".