73388002273 has 4 divisors (see below), whose sum is σ = 73390581808. Its totient is φ = 73385422740.

The previous prime is 73388002223. The next prime is 73388002291. The reversal of 73388002273 is 37220088337.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73388002273 - 2⁹ = 73388001761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73388002223) 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, 1246611 + ... + 1304152.

It is an arithmetic number, because the mean of its divisors is an integer number (18347645452).

Almost surely, 2^73388002273 is an apocalyptic number.

It is an amenable number.

73388002273 is a deficient number, since it is larger than the sum of its proper divisors (2579535).

73388002273 is a wasteful number, since it uses less digits than its factorization.

73388002273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579534.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 73388002273 in words is "seventy-three billion, three hundred eighty-eight million, two thousand, two hundred seventy-three".