73774402297 has 2 divisors, whose sum is σ = 73774402298. Its totient is φ = 73774402296.

The previous prime is 73774402283. The next prime is 73774402349. The reversal of 73774402297 is 79220447737.

It is a happy number.

It is an a-pointer prime, because the next prime (73774402349) can be obtained adding 73774402297 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63897222841 + 9877179456 = 252779^2 + 99384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73774402297 is a prime.

It is not a weakly prime, because it can be changed into another prime (73774408297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36887201148 + 36887201149.

It is an arithmetic number, because the mean of its divisors is an integer number (36887201149).

Almost surely, 2^73774402297 is an apocalyptic number.

It is an amenable number.

73774402297 is a deficient number, since it is larger than the sum of its proper divisors (1).

73774402297 is an equidigital number, since it uses as much as digits as its factorization.

73774402297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4148928, while the sum is 52.

It can be divided in two parts, 7377440 and 2297, that added together give a palindrome (7379737).

The spelling of 73774402297 in words is "seventy-three billion, seven hundred seventy-four million, four hundred two thousand, two hundred ninety-seven".