74772242807 has 2 divisors, whose sum is σ = 74772242808. Its totient is φ = 74772242806.

The previous prime is 74772242777. The next prime is 74772242843. The reversal of 74772242807 is 70824227747.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74772242807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74772247807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37386121403 + 37386121404.

It is an arithmetic number, because the mean of its divisors is an integer number (37386121404).

Almost surely, 2^74772242807 is an apocalyptic number.

74772242807 is a deficient number, since it is larger than the sum of its proper divisors (1).

74772242807 is an equidigital number, since it uses as much as digits as its factorization.

74772242807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2458624, while the sum is 50.

The spelling of 74772242807 in words is "seventy-four billion, seven hundred seventy-two million, two hundred forty-two thousand, eight hundred seven".