73626681 has 8 divisors (see below), whose sum is σ = 98230624. Its totient is φ = 49053600.

The previous prime is 73626673. The next prime is 73626697. The reversal of 73626681 is 18662637.

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

It is not a de Polignac number, because 73626681 - 2³ = 73626673 is a prime.

It is a super-2 number, since 2×73626681² = 10841776310151522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73626661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411 + ... + 12216.

It is an arithmetic number, because the mean of its divisors is an integer number (12278828).

Almost surely, 2^73626681 is an apocalyptic number.

It is an amenable number.

73626681 is a deficient number, since it is larger than the sum of its proper divisors (24603943).

73626681 is a wasteful number, since it uses less digits than its factorization.

73626681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15431.

The product of its digits is 72576, while the sum is 39.

The square root of 73626681 is about 8580.5991049576. The cubic root of 73626681 is about 419.1264553770.

The spelling of 73626681 in words is "seventy-three million, six hundred twenty-six thousand, six hundred eighty-one".