74006206237409 has 2 divisors, whose sum is σ = 74006206237410. Its totient is φ = 74006206237408.

The previous prime is 74006206237367. The next prime is 74006206237421. The reversal of 74006206237409 is 90473260260047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38964873574225 + 35041332663184 = 6242185^2 + 5919572^2 .

It is a cyclic number.

It is not a de Polignac number, because 74006206237409 - 2⁸ = 74006206237153 is a prime.

It is not a weakly prime, because it can be changed into another prime (74006206237429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37003103118704 + 37003103118705.

It is an arithmetic number, because the mean of its divisors is an integer number (37003103118705).

Almost surely, 2^{74006206237409} is an apocalyptic number.

It is an amenable number.

74006206237409 is a deficient number, since it is larger than the sum of its proper divisors (1).

74006206237409 is an equidigital number, since it uses as much as digits as its factorization.

74006206237409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 74006206237409 in words is "seventy-four trillion, six billion, two hundred six million, two hundred thirty-seven thousand, four hundred nine".