74545007 has 2 divisors, whose sum is σ = 74545008. Its totient is φ = 74545006.

The previous prime is 74544979. The next prime is 74545021. The reversal of 74545007 is 70054547.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74545007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74545027) 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, 37272503 + 37272504.

It is an arithmetic number, because the mean of its divisors is an integer number (37272504).

Almost surely, 2^74545007 is an apocalyptic number.

74545007 is a deficient number, since it is larger than the sum of its proper divisors (1).

74545007 is an equidigital number, since it uses as much as digits as its factorization.

74545007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 74545007 is about 8633.9450426789. The cubic root of 74545007 is about 420.8618112894.

The spelling of 74545007 in words is "seventy-four million, five hundred forty-five thousand, seven".