730004731173 has 12 divisors (see below), whose sum is σ = 1090811667660. Its totient is φ = 469888102656.

The previous prime is 730004731147. The next prime is 730004731189. The reversal of 730004731173 is 371137400037.

It is a happy number.

730004731173 is a `hidden beast` number, since 73 + 0 + 0 + 0 + 473 + 117 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 418392929889 + 311611801284 = 646833^2 + 558222^2 .

It is not a de Polignac number, because 730004731173 - 2²² = 730000536869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730004733173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1398476236 + ... + 1398476757.

It is an arithmetic number, because the mean of its divisors is an integer number (90900972305).

Almost surely, 2^730004731173 is an apocalyptic number.

It is an amenable number.

730004731173 is a deficient number, since it is larger than the sum of its proper divisors (360806936487).

730004731173 is a wasteful number, since it uses less digits than its factorization.

730004731173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796953028 (or 2796953025 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The spelling of 730004731173 in words is "seven hundred thirty billion, four million, seven hundred thirty-one thousand, one hundred seventy-three".