73130221670 has 32 divisors (see below), whose sum is σ = 143980139520. Its totient is φ = 26522627040.

The previous prime is 73130221669. The next prime is 73130221687. The reversal of 73130221670 is 7612203137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835382 + ... + 918761.

It is an arithmetic number, because the mean of its divisors is an integer number (4499379360).

Almost surely, 2^73130221670 is an apocalyptic number.

73130221670 is a deficient number, since it is larger than the sum of its proper divisors (70849917850).

73130221670 is a wasteful number, since it uses less digits than its factorization.

73130221670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754540.

The product of its (nonzero) digits is 10584, while the sum is 32.

The spelling of 73130221670 in words is "seventy-three billion, one hundred thirty million, two hundred twenty-one thousand, six hundred seventy".