74650949 has 2 divisors, whose sum is σ = 74650950. Its totient is φ = 74650948.

The previous prime is 74650907. The next prime is 74650951. The reversal of 74650949 is 94905647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57988225 + 16662724 = 7615^2 + 4082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74650949 is a prime.

Together with 74650951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74650049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37325474 + 37325475.

It is an arithmetic number, because the mean of its divisors is an integer number (37325475).

Almost surely, 2^74650949 is an apocalyptic number.

It is an amenable number.

74650949 is a deficient number, since it is larger than the sum of its proper divisors (1).

74650949 is an equidigital number, since it uses as much as digits as its factorization.

74650949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 74650949 is about 8640.0780667769. The cubic root of 74650949 is about 421.0610906171.

The spelling of 74650949 in words is "seventy-four million, six hundred fifty thousand, nine hundred forty-nine".