74982013 has 2 divisors, whose sum is σ = 74982014. Its totient is φ = 74982012.

The previous prime is 74981969. The next prime is 74982049. The reversal of 74982013 is 31028947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43599609 + 31382404 = 6603^2 + 5602^2 .

It is an emirp because it is prime and its reverse (31028947) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74982013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74982013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74982073) 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, 37491006 + 37491007.

It is an arithmetic number, because the mean of its divisors is an integer number (37491007).

Almost surely, 2^74982013 is an apocalyptic number.

It is an amenable number.

74982013 is a deficient number, since it is larger than the sum of its proper divisors (1).

74982013 is an equidigital number, since it uses as much as digits as its factorization.

74982013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 74982013 is about 8659.2154956439. The cubic root of 74982013 is about 421.6826170146.

The spelling of 74982013 in words is "seventy-four million, nine hundred eighty-two thousand, thirteen".