73073156224 has 16 divisors (see below), whose sum is σ = 145575428670. Its totient is φ = 36536578048.

The previous prime is 73073156213. The next prime is 73073156231. The reversal of 73073156224 is 42265137037.

It can be written as a sum of positive squares in only one way, i.e., 66857410624 + 6215745600 = 258568^2 + 78840^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285441889 + ... + 285442144.

Almost surely, 2^73073156224 is an apocalyptic number.

It is an amenable number.

73073156224 is a deficient number, since it is larger than the sum of its proper divisors (72502272446).

73073156224 is an equidigital number, since it uses as much as digits as its factorization.

73073156224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570884047 (or 570884035 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 73073156224 in words is "seventy-three billion, seventy-three million, one hundred fifty-six thousand, two hundred twenty-four".