74475469 has 2 divisors, whose sum is σ = 74475470. Its totient is φ = 74475468.

The previous prime is 74475461. The next prime is 74475473. The reversal of 74475469 is 96457447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59752900 + 14722569 = 7730^2 + 3837^2 .

It is an emirp because it is prime and its reverse (96457447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74475469 - 2³ = 74475461 is a prime.

It is a super-2 number, since 2×74475469² = 11093190965539922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74475461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37237734 + 37237735.

It is an arithmetic number, because the mean of its divisors is an integer number (37237735).

Almost surely, 2^74475469 is an apocalyptic number.

It is an amenable number.

74475469 is a deficient number, since it is larger than the sum of its proper divisors (1).

74475469 is an equidigital number, since it uses as much as digits as its factorization.

74475469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The square root of 74475469 is about 8629.9170911429. The cubic root of 74475469 is about 420.7309060614.

The spelling of 74475469 in words is "seventy-four million, four hundred seventy-five thousand, four hundred sixty-nine".