73800001 has 4 divisors (see below), whose sum is σ = 80509104. Its totient is φ = 67090900.

The previous prime is 73799981. The next prime is 73800053. The reversal of 73800001 is 10000837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73800001 - 2⁵ = 73799969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73804001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3354535 + ... + 3354556.

It is an arithmetic number, because the mean of its divisors is an integer number (20127276).

Almost surely, 2^73800001 is an apocalyptic number.

It is an amenable number.

73800001 is a deficient number, since it is larger than the sum of its proper divisors (6709103).

73800001 is a wasteful number, since it uses less digits than its factorization.

73800001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709102.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 73800001 is about 8590.6926961683. The cubic root of 73800001 is about 419.4550775071.

Adding to 73800001 its reverse (10000837), we get a palindrome (83800838).

The spelling of 73800001 in words is "seventy-three million, eight hundred thousand, one".