773400401 has 2 divisors, whose sum is σ = 773400402. Its totient is φ = 773400400.

The previous prime is 773400389. The next prime is 773400427. The reversal of 773400401 is 104004377.

It is an a-pointer prime, because the next prime (773400427) can be obtained adding 773400401 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697012801 + 76387600 = 26401^2 + 8740^2 .

It is a cyclic number.

It is not a de Polignac number, because 773400401 - 2⁶ = 773400337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (773400701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386700200 + 386700201.

It is an arithmetic number, because the mean of its divisors is an integer number (386700201).

Almost surely, 2^773400401 is an apocalyptic number.

It is an amenable number.

773400401 is a deficient number, since it is larger than the sum of its proper divisors (1).

773400401 is an equidigital number, since it uses as much as digits as its factorization.

773400401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 773400401 is about 27810.0773281917. The cubic root of 773400401 is about 917.9128809664.

Adding to 773400401 its reverse (104004377), we get a palindrome (877404778).

The spelling of 773400401 in words is "seven hundred seventy-three million, four hundred thousand, four hundred one".