73373040403 has 4 divisors (see below), whose sum is σ = 79017120448. Its totient is φ = 67728960360.

The previous prime is 73373040379. The next prime is 73373040457. The reversal of 73373040403 is 30404037337.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30404037337 = 3407 ⋅8923991.

It is a cyclic number.

It is not a de Polignac number, because 73373040403 - 2²⁵ = 73339485971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73373040703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822040003 + ... + 2822040028.

It is an arithmetic number, because the mean of its divisors is an integer number (19754280112).

Almost surely, 2^73373040403 is an apocalyptic number.

73373040403 is a deficient number, since it is larger than the sum of its proper divisors (5644080045).

73373040403 is a wasteful number, since it uses less digits than its factorization.

73373040403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644080044.

The product of its (nonzero) digits is 63504, while the sum is 34.

The spelling of 73373040403 in words is "seventy-three billion, three hundred seventy-three million, forty thousand, four hundred three".