74315207 has 2 divisors, whose sum is σ = 74315208. Its totient is φ = 74315206.

The previous prime is 74315179. The next prime is 74315243. The reversal of 74315207 is 70251347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74315207 - 2¹⁰ = 74314183 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74315207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74315257) 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, 37157603 + 37157604.

It is an arithmetic number, because the mean of its divisors is an integer number (37157604).

Almost surely, 2^74315207 is an apocalyptic number.

74315207 is a deficient number, since it is larger than the sum of its proper divisors (1).

74315207 is an equidigital number, since it uses as much as digits as its factorization.

74315207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 74315207 is about 8620.6268333573. The cubic root of 74315207 is about 420.4289023715.

The spelling of 74315207 in words is "seventy-four million, three hundred fifteen thousand, two hundred seven".