73750001 has 8 divisors (see below), whose sum is σ = 83603520. Its totient is φ = 64493712.

The previous prime is 73749971. The next prime is 73750009. The reversal of 73750001 is 10005737.

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 73750001 - 2²² = 69555697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73750009) 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, 149045 + ... + 149538.

It is an arithmetic number, because the mean of its divisors is an integer number (10450440).

Almost surely, 2^73750001 is an apocalyptic number.

It is an amenable number.

73750001 is a deficient number, since it is larger than the sum of its proper divisors (9853519).

73750001 is a wasteful number, since it uses less digits than its factorization.

73750001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298615.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 73750001 is about 8587.7820768811. The cubic root of 73750001 is about 419.3603282218.

Adding to 73750001 its reverse (10005737), we get a palindrome (83755738).

The spelling of 73750001 in words is "seventy-three million, seven hundred fifty thousand, one".