73450427903 has 4 divisors (see below), whose sum is σ = 73459064448. Its totient is φ = 73441791360.

The previous prime is 73450427893. The next prime is 73450427957. The reversal of 73450427903 is 30972405437.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73450427903 - 2⁴ = 73450427887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73450427993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4305503 + ... + 4322528.

It is an arithmetic number, because the mean of its divisors is an integer number (18364766112).

Almost surely, 2^73450427903 is an apocalyptic number.

73450427903 is a deficient number, since it is larger than the sum of its proper divisors (8636545).

73450427903 is an equidigital number, since it uses as much as digits as its factorization.

73450427903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8636544.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 73450427903 in words is "seventy-three billion, four hundred fifty million, four hundred twenty-seven thousand, nine hundred three".