754672129 has 2 divisors, whose sum is σ = 754672130. Its totient is φ = 754672128.

The previous prime is 754672111. The next prime is 754672151. The reversal of 754672129 is 921276457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 698016400 + 56655729 = 26420^2 + 7527^2 .

It is a cyclic number.

It is not a de Polignac number, because 754672129 - 2¹⁹ = 754147841 is a prime.

It is not a weakly prime, because it can be changed into another prime (754672729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377336064 + 377336065.

It is an arithmetic number, because the mean of its divisors is an integer number (377336065).

Almost surely, 2^754672129 is an apocalyptic number.

It is an amenable number.

754672129 is a deficient number, since it is larger than the sum of its proper divisors (1).

754672129 is an equidigital number, since it uses as much as digits as its factorization.

754672129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 754672129 is about 27471.2964564834. The cubic root of 754672129 is about 910.4430194044.

The spelling of 754672129 in words is "seven hundred fifty-four million, six hundred seventy-two thousand, one hundred twenty-nine".