73000017300 has 72 divisors (see below), whose sum is σ = 241386730816. Its totient is φ = 16685717760.

The previous prime is 73000017283. The next prime is 73000017319. The reversal of 73000017300 is 371000037.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17378857 + ... + 17383056.

Almost surely, 2^73000017300 is an apocalyptic number.

73000017300 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73000017300 is an abundant number, since it is smaller than the sum of its proper divisors (168386713516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73000017300 is a wasteful number, since it uses less digits than its factorization.

73000017300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34761937 (or 34761930 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 21.

Adding to 73000017300 its reverse (371000037), we get a palindrome (73371017337).

The spelling of 73000017300 in words is "seventy-three billion, seventeen thousand, three hundred".