74753813 has 2 divisors, whose sum is σ = 74753814. Its totient is φ = 74753812.

The previous prime is 74753807. The next prime is 74753821. The reversal of 74753813 is 31835747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 34023889 = 6382^2 + 5833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74753813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74753873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37376906 + 37376907.

It is an arithmetic number, because the mean of its divisors is an integer number (37376907).

Almost surely, 2^74753813 is an apocalyptic number.

It is an amenable number.

74753813 is a deficient number, since it is larger than the sum of its proper divisors (1).

74753813 is an equidigital number, since it uses as much as digits as its factorization.

74753813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 74753813 is about 8646.0287415668. The cubic root of 74753813 is about 421.2543998343.

The spelling of 74753813 in words is "seventy-four million, seven hundred fifty-three thousand, eight hundred thirteen".