74136607 has 2 divisors, whose sum is σ = 74136608. Its totient is φ = 74136606.

The previous prime is 74136583. The next prime is 74136691. The reversal of 74136607 is 70663147.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74136607 - 2¹⁵ = 74103839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74136697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37068303 + 37068304.

It is an arithmetic number, because the mean of its divisors is an integer number (37068304).

Almost surely, 2^74136607 is an apocalyptic number.

74136607 is a deficient number, since it is larger than the sum of its proper divisors (1).

74136607 is an equidigital number, since it uses as much as digits as its factorization.

74136607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 74136607 is about 8610.2617265679. The cubic root of 74136607 is about 420.0918298828.

The spelling of 74136607 in words is "seventy-four million, one hundred thirty-six thousand, six hundred seven".