74470807 has 2 divisors, whose sum is σ = 74470808. Its totient is φ = 74470806.

The previous prime is 74470793. The next prime is 74470819. The reversal of 74470807 is 70807447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74470807 - 2⁷ = 74470679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74470867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37235403 + 37235404.

It is an arithmetic number, because the mean of its divisors is an integer number (37235404).

Almost surely, 2^74470807 is an apocalyptic number.

74470807 is a deficient number, since it is larger than the sum of its proper divisors (1).

74470807 is an equidigital number, since it uses as much as digits as its factorization.

74470807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 74470807 is about 8629.6469800334. The cubic root of 74470807 is about 420.7221269362.

The spelling of 74470807 in words is "seventy-four million, four hundred seventy thousand, eight hundred seven".