74365061 has 2 divisors, whose sum is σ = 74365062. Its totient is φ = 74365060.

The previous prime is 74365037. The next prime is 74365087. The reversal of 74365061 is 16056347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68145025 + 6220036 = 8255^2 + 2494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74365061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74364061) 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, 37182530 + 37182531.

It is an arithmetic number, because the mean of its divisors is an integer number (37182531).

Almost surely, 2^74365061 is an apocalyptic number.

It is an amenable number.

74365061 is a deficient number, since it is larger than the sum of its proper divisors (1).

74365061 is an equidigital number, since it uses as much as digits as its factorization.

74365061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 74365061 is about 8623.5179016455. The cubic root of 74365061 is about 420.5228955935.

The spelling of 74365061 in words is "seventy-four million, three hundred sixty-five thousand, sixty-one".