73640770403 has 2 divisors, whose sum is σ = 73640770404. Its totient is φ = 73640770402.

The previous prime is 73640770369. The next prime is 73640770471. The reversal of 73640770403 is 30407704637.

It is a weak prime.

It is an emirp because it is prime and its reverse (30407704637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73640770403 - 2²⁸ = 73372334947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (73640770003) 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, 36820385201 + 36820385202.

It is an arithmetic number, because the mean of its divisors is an integer number (36820385202).

Almost surely, 2^73640770403 is an apocalyptic number.

73640770403 is a deficient number, since it is larger than the sum of its proper divisors (1).

73640770403 is an equidigital number, since it uses as much as digits as its factorization.

73640770403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 41.

The spelling of 73640770403 in words is "seventy-three billion, six hundred forty million, seven hundred seventy thousand, four hundred three".