73265747039 has 4 divisors (see below), whose sum is σ = 73342627056. Its totient is φ = 73188867024.

The previous prime is 73265747029. The next prime is 73265747041. The reversal of 73265747039 is 93074756237.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73265747039 - 2¹² = 73265742943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73265747029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38438579 + ... + 38440484.

It is an arithmetic number, because the mean of its divisors is an integer number (18335656764).

Almost surely, 2^73265747039 is an apocalyptic number.

73265747039 is a deficient number, since it is larger than the sum of its proper divisors (76880017).

73265747039 is an equidigital number, since it uses as much as digits as its factorization.

73265747039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76880016.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 73265747039 in words is "seventy-three billion, two hundred sixty-five million, seven hundred forty-seven thousand, thirty-nine".