73994906881 has 8 divisors (see below), whose sum is σ = 84577068800. Its totient is φ = 63415610208.

The previous prime is 73994906879. The next prime is 73994906891. The reversal of 73994906881 is 18860949937.

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

It is a cyclic number.

It is not a de Polignac number, because 73994906881 - 2¹ = 73994906879 is a prime.

It is a super-2 number, since 2×73994906881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73994906831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660681 + ... + 764518.

It is an arithmetic number, because the mean of its divisors is an integer number (10572133600).

Almost surely, 2^73994906881 is an apocalyptic number.

It is an amenable number.

73994906881 is a deficient number, since it is larger than the sum of its proper divisors (10582161919).

73994906881 is a wasteful number, since it uses less digits than its factorization.

73994906881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432623.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 73994906881 in words is "seventy-three billion, nine hundred ninety-four million, nine hundred six thousand, eight hundred eighty-one".