74213801797 has 2 divisors, whose sum is σ = 74213801798. Its totient is φ = 74213801796.

The previous prime is 74213801771. The next prime is 74213801813. The reversal of 74213801797 is 79710831247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39349069956 + 34864731841 = 198366^2 + 186721^2 .

It is a cyclic number.

It is not a de Polignac number, because 74213801797 - 2¹¹ = 74213799749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74213801797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74213801737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37106900898 + 37106900899.

It is an arithmetic number, because the mean of its divisors is an integer number (37106900899).

Almost surely, 2^74213801797 is an apocalyptic number.

It is an amenable number.

74213801797 is a deficient number, since it is larger than the sum of its proper divisors (1).

74213801797 is an equidigital number, since it uses as much as digits as its factorization.

74213801797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 49.

The spelling of 74213801797 in words is "seventy-four billion, two hundred thirteen million, eight hundred one thousand, seven hundred ninety-seven".