73821801 has 8 divisors (see below), whose sum is σ = 98655040. Its totient is φ = 49101552.

The previous prime is 73821779. The next prime is 73821823. The reversal of 73821801 is 10812837.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73821779) and next prime (73821823).

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

It is not a de Polignac number, because 73821801 - 2¹⁵ = 73789033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73821101) 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, 26710 + ... + 29343.

It is an arithmetic number, because the mean of its divisors is an integer number (12331880).

Almost surely, 2^73821801 is an apocalyptic number.

It is an amenable number.

73821801 is a deficient number, since it is larger than the sum of its proper divisors (24833239).

73821801 is a wasteful number, since it uses less digits than its factorization.

73821801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56495.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 73821801 is about 8591.9614175111. The cubic root of 73821801 is about 419.4963747986.

The spelling of 73821801 in words is "seventy-three million, eight hundred twenty-one thousand, eight hundred one".