74078040402403 has 2 divisors, whose sum is σ = 74078040402404. Its totient is φ = 74078040402402.

The previous prime is 74078040402347. The next prime is 74078040402437. The reversal of 74078040402403 is 30420404087047.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74078040402403 - 2⁹ = 74078040401891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74078040402403.

It is not a weakly prime, because it can be changed into another prime (74078040402463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37039020201201 + 37039020201202.

It is an arithmetic number, because the mean of its divisors is an integer number (37039020201202).

Almost surely, 2^{74078040402403} is an apocalyptic number.

74078040402403 is a deficient number, since it is larger than the sum of its proper divisors (1).

74078040402403 is an equidigital number, since it uses as much as digits as its factorization.

74078040402403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112, while the sum is 43.

The spelling of 74078040402403 in words is "seventy-four trillion, seventy-eight billion, forty million, four hundred two thousand, four hundred three".