73612022401 has 2 divisors, whose sum is σ = 73612022402. Its totient is φ = 73612022400.

The previous prime is 73612022381. The next prime is 73612022441. The reversal of 73612022401 is 10422021637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59504284225 + 14107738176 = 243935^2 + 118776^2 .

It is an emirp because it is prime and its reverse (10422021637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73612022401 - 2⁵ = 73612022369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73612022401.

It is not a weakly prime, because it can be changed into another prime (73612022441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36806011200 + 36806011201.

It is an arithmetic number, because the mean of its divisors is an integer number (36806011201).

Almost surely, 2^73612022401 is an apocalyptic number.

It is an amenable number.

73612022401 is a deficient number, since it is larger than the sum of its proper divisors (1).

73612022401 is an equidigital number, since it uses as much as digits as its factorization.

73612022401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 73612022401 in words is "seventy-three billion, six hundred twelve million, twenty-two thousand, four hundred one".