73730000730 has 32 divisors (see below), whose sum is σ = 179376007104. Its totient is φ = 19391999616.

The previous prime is 73730000719. The next prime is 73730000737. The reversal of 73730000730 is 3700003737.

It is a super-2 number, since 2×73730000730² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (73730000737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16831144 + ... + 16835523.

It is an arithmetic number, because the mean of its divisors is an integer number (5605500222).

Almost surely, 2^73730000730 is an apocalyptic number.

73730000730 is an abundant number, since it is smaller than the sum of its proper divisors (105646006374).

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

73730000730 is a wasteful number, since it uses less digits than its factorization.

73730000730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33666750.

The product of its (nonzero) digits is 9261, while the sum is 30.

The spelling of 73730000730 in words is "seventy-three billion, seven hundred thirty million, seven hundred thirty", and thus it is an aban number.