73967263385 has 8 divisors (see below), whose sum is σ = 88920074376. Its totient is φ = 59067571840.

The previous prime is 73967263373. The next prime is 73967263411. The reversal of 73967263385 is 58336276937.

It can be written as a sum of positive squares in 4 ways, for example, as 257185369 + 73710078016 = 16037^2 + 271496^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-73967263385 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 13276796 + ... + 13282365.

It is an arithmetic number, because the mean of its divisors is an integer number (11115009297).

Almost surely, 2^73967263385 is an apocalyptic number.

It is an amenable number.

73967263385 is a deficient number, since it is larger than the sum of its proper divisors (14952810991).

73967263385 is a wasteful number, since it uses less digits than its factorization.

73967263385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26559723.

The product of its digits is 34292160, while the sum is 59.

The spelling of 73967263385 in words is "seventy-three billion, nine hundred sixty-seven million, two hundred sixty-three thousand, three hundred eighty-five".