74676913 has 2 divisors, whose sum is σ = 74676914. Its totient is φ = 74676912.

The previous prime is 74676907. The next prime is 74676967. The reversal of 74676913 is 31967647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45387169 + 29289744 = 6737^2 + 5412^2 .

It is an emirp because it is prime and its reverse (31967647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74676913 - 2⁹ = 74676401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74676913.

It is not a weakly prime, because it can be changed into another prime (74676113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37338456 + 37338457.

It is an arithmetic number, because the mean of its divisors is an integer number (37338457).

Almost surely, 2^74676913 is an apocalyptic number.

It is an amenable number.

74676913 is a deficient number, since it is larger than the sum of its proper divisors (1).

74676913 is an equidigital number, since it uses as much as digits as its factorization.

74676913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 74676913 is about 8641.5804688726. The cubic root of 74676913 is about 421.1099007264.

The spelling of 74676913 in words is "seventy-four million, six hundred seventy-six thousand, nine hundred thirteen".