74985307 has 2 divisors, whose sum is σ = 74985308. Its totient is φ = 74985306.

The previous prime is 74985289. The next prime is 74985341. The reversal of 74985307 is 70358947.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (70358947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74985307 - 2⁷ = 74985179 is a prime.

It is not a weakly prime, because it can be changed into another prime (74985377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37492653 + 37492654.

It is an arithmetic number, because the mean of its divisors is an integer number (37492654).

Almost surely, 2^74985307 is an apocalyptic number.

74985307 is a deficient number, since it is larger than the sum of its proper divisors (1).

74985307 is an equidigital number, since it uses as much as digits as its factorization.

74985307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 74985307 is about 8659.4056955429. The cubic root of 74985307 is about 421.6887918387.

The spelling of 74985307 in words is "seventy-four million, nine hundred eighty-five thousand, three hundred seven".