73752001 has 4 divisors (see below), whose sum is σ = 78090372. Its totient is φ = 69413632.

The previous prime is 73751983. The next prime is 73752011. The reversal of 73752001 is 10025737.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23270976 + 50481025 = 4824^2 + 7105^2 .

It is a cyclic number.

It is not a de Polignac number, because 73752001 - 2¹¹ = 73749953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73752011) 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 3 ways as a sum of consecutive naturals, for example, 2169160 + ... + 2169193.

It is an arithmetic number, because the mean of its divisors is an integer number (19522593).

Almost surely, 2^73752001 is an apocalyptic number.

It is an amenable number.

73752001 is a deficient number, since it is larger than the sum of its proper divisors (4338371).

73752001 is a wasteful number, since it uses less digits than its factorization.

73752001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338370.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 73752001 is about 8587.8985205928. The cubic root of 73752001 is about 419.3641190153.

Adding to 73752001 its reverse (10025737), we get a palindrome (83777738).

The spelling of 73752001 in words is "seventy-three million, seven hundred fifty-two thousand, one".