72335001 has 4 divisors (see below), whose sum is σ = 96446672. Its totient is φ = 48223332.

The previous prime is 72334993. The next prime is 72335027. The reversal of 72335001 is 10053327.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10053327 = 3 ⋅3351109.

It is not a de Polignac number, because 72335001 - 2³ = 72334993 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 (72335101) 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, 12055831 + ... + 12055836.

It is an arithmetic number, because the mean of its divisors is an integer number (24111668).

Almost surely, 2^72335001 is an apocalyptic number.

It is an amenable number.

72335001 is a deficient number, since it is larger than the sum of its proper divisors (24111671).

72335001 is a wasteful number, since it uses less digits than its factorization.

72335001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24111670.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 72335001 is about 8504.9985890651. The cubic root of 72335001 is about 416.6609796202.

Adding to 72335001 its reverse (10053327), we get a palindrome (82388328).

The spelling of 72335001 in words is "seventy-two million, three hundred thirty-five thousand, one".