74860078673 has 2 divisors, whose sum is σ = 74860078674. Its totient is φ = 74860078672.

The previous prime is 74860078661. The next prime is 74860078681. The reversal of 74860078673 is 37687006847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65355388609 + 9504690064 = 255647^2 + 97492^2 .

It is a cyclic number.

It is not a de Polignac number, because 74860078673 - 2¹² = 74860074577 is a prime.

It is not a weakly prime, because it can be changed into another prime (74860078973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37430039336 + 37430039337.

It is an arithmetic number, because the mean of its divisors is an integer number (37430039337).

Almost surely, 2^74860078673 is an apocalyptic number.

It is an amenable number.

74860078673 is a deficient number, since it is larger than the sum of its proper divisors (1).

74860078673 is an equidigital number, since it uses as much as digits as its factorization.

74860078673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 74860078673 in words is "seventy-four billion, eight hundred sixty million, seventy-eight thousand, six hundred seventy-three".