74625469 has 2 divisors, whose sum is σ = 74625470. Its totient is φ = 74625468.

The previous prime is 74625449. The next prime is 74625487. The reversal of 74625469 is 96452647.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62805625 + 11819844 = 7925^2 + 3438^2 .

It is an emirp because it is prime and its reverse (96452647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74625469 - 2⁵ = 74625437 is a prime.

It is a super-2 number, since 2×74625469² = 11137921246939922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74625449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37312734 + 37312735.

It is an arithmetic number, because the mean of its divisors is an integer number (37312735).

Almost surely, 2^74625469 is an apocalyptic number.

74625469 is the 4988-th hex number.

It is an amenable number.

74625469 is a deficient number, since it is larger than the sum of its proper divisors (1).

74625469 is an equidigital number, since it uses as much as digits as its factorization.

74625469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 74625469 is about 8638.6034172197. The cubic root of 74625469 is about 421.0131793822.

The spelling of 74625469 in words is "seventy-four million, six hundred twenty-five thousand, four hundred sixty-nine".