73868641 has 8 divisors (see below), whose sum is σ = 92096064. Its totient is φ = 57559920.

The previous prime is 73868633. The next prime is 73868651. The reversal of 73868641 is 14686837.

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

It is not a de Polignac number, because 73868641 - 2³ = 73868633 is a prime.

It is a super-2 number, since 2×73868641² = 10913152246373762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73868651) 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, 479590 + ... + 479743.

It is an arithmetic number, because the mean of its divisors is an integer number (11512008).

Almost surely, 2^73868641 is an apocalyptic number.

It is an amenable number.

73868641 is a deficient number, since it is larger than the sum of its proper divisors (18227423).

73868641 is a wasteful number, since it uses less digits than its factorization.

73868641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959351.

The product of its digits is 193536, while the sum is 43.

The square root of 73868641 is about 8594.6867889412. The cubic root of 73868641 is about 419.5850796508.

The spelling of 73868641 in words is "seventy-three million, eight hundred sixty-eight thousand, six hundred forty-one".