74852549 has 2 divisors, whose sum is σ = 74852550. Its totient is φ = 74852548.

The previous prime is 74852527. The next prime is 74852563. The reversal of 74852549 is 94525847.

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., 67535524 + 7317025 = 8218^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 74852549 - 2¹² = 74848453 is a prime.

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 (74852249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37426274 + 37426275.

It is an arithmetic number, because the mean of its divisors is an integer number (37426275).

Almost surely, 2^74852549 is an apocalyptic number.

It is an amenable number.

74852549 is a deficient number, since it is larger than the sum of its proper divisors (1).

74852549 is an equidigital number, since it uses as much as digits as its factorization.

74852549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 44.

The square root of 74852549 is about 8651.7367620611. The cubic root of 74852549 is about 421.4397846950.

The spelling of 74852549 in words is "seventy-four million, eight hundred fifty-two thousand, five hundred forty-nine".