74425207 has 2 divisors, whose sum is σ = 74425208. Its totient is φ = 74425206.

The previous prime is 74425181. The next prime is 74425237. The reversal of 74425207 is 70252447.

It is a weak prime.

It is an emirp because it is prime and its reverse (70252447) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74425207 is a prime.

It is a super-2 number, since 2×74425207² = 11078222873985698, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74425237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37212603 + 37212604.

It is an arithmetic number, because the mean of its divisors is an integer number (37212604).

Almost surely, 2^74425207 is an apocalyptic number.

74425207 is a deficient number, since it is larger than the sum of its proper divisors (1).

74425207 is an equidigital number, since it uses as much as digits as its factorization.

74425207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 74425207 is about 8627.0045206897. The cubic root of 74425207 is about 420.6362371454.

The spelling of 74425207 in words is "seventy-four million, four hundred twenty-five thousand, two hundred seven".