73201326765 has 32 divisors (see below), whose sum is σ = 133982883840. Its totient is φ = 33431206464.

The previous prime is 73201326761. The next prime is 73201326799. The reversal of 73201326765 is 56762310237.

It is not a de Polignac number, because 73201326765 - 2² = 73201326761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73201326761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226399 + ... + 444588.

It is an arithmetic number, because the mean of its divisors is an integer number (4186965120).

Almost surely, 2^73201326765 is an apocalyptic number.

It is an amenable number.

73201326765 is a deficient number, since it is larger than the sum of its proper divisors (60781557075).

73201326765 is a wasteful number, since it uses less digits than its factorization.

73201326765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672041.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 73201326765 in words is "seventy-three billion, two hundred one million, three hundred twenty-six thousand, seven hundred sixty-five".