74217469 has 2 divisors, whose sum is σ = 74217470. Its totient is φ = 74217468.

The previous prime is 74217433. The next prime is 74217491. The reversal of 74217469 is 96471247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40170244 + 34047225 = 6338^2 + 5835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74217469 is a prime.

It is a super-2 number, since 2×74217469² = 11016465409531922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74211469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37108734 + 37108735.

It is an arithmetic number, because the mean of its divisors is an integer number (37108735).

Almost surely, 2^74217469 is an apocalyptic number.

It is an amenable number.

74217469 is a deficient number, since it is larger than the sum of its proper divisors (1).

74217469 is an equidigital number, since it uses as much as digits as its factorization.

74217469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 74217469 is about 8614.9561229295. The cubic root of 74217469 is about 420.2445080448.

The spelling of 74217469 in words is "seventy-four million, two hundred seventeen thousand, four hundred sixty-nine".