73573679738 has 16 divisors (see below), whose sum is σ = 125840955240. Its totient is φ = 31959607296.

The previous prime is 73573679719. The next prime is 73573679797. The reversal of 73573679738 is 83797637537.

It can be written as a sum of positive squares in 4 ways, for example, as 63904300849 + 9669378889 = 252793^2 + 98333^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83227703 + ... + 83228586.

Almost surely, 2^73573679738 is an apocalyptic number.

73573679738 is a deficient number, since it is larger than the sum of its proper divisors (52267275502).

73573679738 is a wasteful number, since it uses less digits than its factorization.

73573679738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166456321.

The product of its digits is 140026320, while the sum is 65.

The spelling of 73573679738 in words is "seventy-three billion, five hundred seventy-three million, six hundred seventy-nine thousand, seven hundred thirty-eight".