73225052672 has 30 divisors (see below), whose sum is σ = 146319322743. Its totient is φ = 36609464832.

The previous prime is 73225052671. The next prime is 73225052683. The reversal of 73225052672 is 27625052237.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 36612526336 + 36612526336 = 191344^2 + 191344^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=191344.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73225052671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6117029 + ... + 6128987.

Almost surely, 2^73225052672 is an apocalyptic number.

It is an amenable number.

73225052672 is a deficient number, since it is larger than the sum of its proper divisors (73094270071).

73225052672 is an frugal number, since it uses more digits than its factorization.

73225052672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23936 (or 11961 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 73225052672 in words is "seventy-three billion, two hundred twenty-five million, fifty-two thousand, six hundred seventy-two".