74303161 has 2 divisors, whose sum is σ = 74303162. Its totient is φ = 74303160.

The previous prime is 74303137. The next prime is 74303219. The reversal of 74303161 is 16130347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73188025 + 1115136 = 8555^2 + 1056^2 .

It is a cyclic number.

It is not a de Polignac number, because 74303161 - 2⁹ = 74302649 is a prime.

It is not a weakly prime, because it can be changed into another prime (74309161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37151580 + 37151581.

It is an arithmetic number, because the mean of its divisors is an integer number (37151581).

Almost surely, 2^74303161 is an apocalyptic number.

It is an amenable number.

74303161 is a deficient number, since it is larger than the sum of its proper divisors (1).

74303161 is an equidigital number, since it uses as much as digits as its factorization.

74303161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 74303161 is about 8619.9281319510. The cubic root of 74303161 is about 420.4061849025.

The spelling of 74303161 in words is "seventy-four million, three hundred three thousand, one hundred sixty-one".