74700869 has 2 divisors, whose sum is σ = 74700870. Its totient is φ = 74700868.

The previous prime is 74700851. The next prime is 74700877. The reversal of 74700869 is 96800747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37368769 + 37332100 = 6113^2 + 6110^2 .

It is a cyclic number.

It is not a de Polignac number, because 74700869 - 2²⁴ = 57923653 is a prime.

It is a super-2 number, since 2×74700869² = 11160439658710322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74700809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37350434 + 37350435.

It is an arithmetic number, because the mean of its divisors is an integer number (37350435).

Almost surely, 2^74700869 is an apocalyptic number.

It is an amenable number.

74700869 is a deficient number, since it is larger than the sum of its proper divisors (1).

74700869 is an equidigital number, since it uses as much as digits as its factorization.

74700869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 74700869 is about 8642.9664467705. The cubic root of 74700869 is about 421.1549259327.

The spelling of 74700869 in words is "seventy-four million, seven hundred thousand, eight hundred sixty-nine".