73432148393536 has 21 divisors (see below), whose sum is σ = 145717055505489. Its totient is φ = 36716039919744.

The previous prime is 73432148393521. The next prime is 73432148393629. The reversal of 73432148393536 is 63539384123437.

The square root of 73432148393536 is 8569256.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7254834510400 + 66177313883136 = 2693480^2 + 8134944^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 68018470 + ... + 69089626.

Almost surely, 2^{73432148393536} is an apocalyptic number.

73432148393536 is the 8569256-th square number.

It is an amenable number.

73432148393536 is a deficient number, since it is larger than the sum of its proper divisors (72284907111953).

73432148393536 is an frugal number, since it uses more digits than its factorization.

73432148393536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142326 (or 1071159 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 61.

The spelling of 73432148393536 in words is "seventy-three trillion, four hundred thirty-two billion, one hundred forty-eight million, three hundred ninety-three thousand, five hundred thirty-six".