747846401 has 2 divisors, whose sum is σ = 747846402. Its totient is φ = 747846400.

The previous prime is 747846361. The next prime is 747846467. The reversal of 747846401 is 104648747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410022001 + 337824400 = 20249^2 + 18380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747846401 is a prime.

It is not a weakly prime, because it can be changed into another prime (747846301) 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, 373923200 + 373923201.

It is an arithmetic number, because the mean of its divisors is an integer number (373923201).

Almost surely, 2^747846401 is an apocalyptic number.

It is an amenable number.

747846401 is a deficient number, since it is larger than the sum of its proper divisors (1).

747846401 is an equidigital number, since it uses as much as digits as its factorization.

747846401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 747846401 is about 27346.7804503565. The cubic root of 747846401 is about 907.6898295804.

The spelling of 747846401 in words is "seven hundred forty-seven million, eight hundred forty-six thousand, four hundred one".