74597969 has 2 divisors, whose sum is σ = 74597970. Its totient is φ = 74597968.

The previous prime is 74597927. The next prime is 74598011. The reversal of 74597969 is 96979547.

It is a balanced prime because it is at equal distance from previous prime (74597927) and next prime (74598011).

It can be written as a sum of positive squares in only one way, i.e., 48720400 + 25877569 = 6980^2 + 5087^2 .

It is a cyclic number.

It is not a de Polignac number, because 74597969 - 2²⁴ = 57820753 is a prime.

It is a super-2 number, since 2×74597969² = 11129713957849922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74597909) 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, 37298984 + 37298985.

It is an arithmetic number, because the mean of its divisors is an integer number (37298985).

Almost surely, 2^74597969 is an apocalyptic number.

It is an amenable number.

74597969 is a deficient number, since it is larger than the sum of its proper divisors (1).

74597969 is an equidigital number, since it uses as much as digits as its factorization.

74597969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520, while the sum is 56.

The square root of 74597969 is about 8637.0115780865. The cubic root of 74597969 is about 420.9614576083.

The spelling of 74597969 in words is "seventy-four million, five hundred ninety-seven thousand, nine hundred sixty-nine".