73153001 has 4 divisors (see below), whose sum is σ = 73183572. Its totient is φ = 73122432.

The previous prime is 73152943. The next prime is 73153013. The reversal of 73153001 is 10035137.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10035137 = 7 ⋅1433591.

It can be written as a sum of positive squares in 2 ways, for example, as 71995225 + 1157776 = 8485^2 + 1076^2 .

It is a cyclic number.

It is not a de Polignac number, because 73153001 - 2¹⁴ = 73136617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73155001) 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, 11360 + ... + 16593.

It is an arithmetic number, because the mean of its divisors is an integer number (18295893).

Almost surely, 2^73153001 is an apocalyptic number.

It is an amenable number.

73153001 is a deficient number, since it is larger than the sum of its proper divisors (30571).

73153001 is a wasteful number, since it uses less digits than its factorization.

73153001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30570.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 73153001 is about 8552.9527649812. The cubic root of 73153001 is about 418.2256990257.

Adding to 73153001 its reverse (10035137), we get a palindrome (83188138).

The spelling of 73153001 in words is "seventy-three million, one hundred fifty-three thousand, one".