73720801 has 8 divisors (see below), whose sum is σ = 91911744. Its totient is φ = 57444720.

The previous prime is 73720799. The next prime is 73720811. The reversal of 73720801 is 10802737.

It is a happy number.

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 73720801 - 2¹ = 73720799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73720801.

It is not an unprimeable number, because it can be changed into a prime (73720811) 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, 478630 + ... + 478783.

It is an arithmetic number, because the mean of its divisors is an integer number (11488968).

Almost surely, 2^73720801 is an apocalyptic number.

It is an amenable number.

73720801 is a deficient number, since it is larger than the sum of its proper divisors (18190943).

73720801 is a wasteful number, since it uses less digits than its factorization.

73720801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957431.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 73720801 is about 8586.0818188508. The cubic root of 73720801 is about 419.3049748302.

The spelling of 73720801 in words is "seventy-three million, seven hundred twenty thousand, eight hundred one".