72435601 has 8 divisors (see below), whose sum is σ = 84545280. Its totient is φ = 60766368.

The previous prime is 72435569. The next prime is 72435611. The reversal of 72435601 is 10653427.

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 72435601 - 2⁵ = 72435569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72435601.

It is not an unprimeable number, because it can be changed into a prime (72435611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109756 + ... + 110413.

It is an arithmetic number, because the mean of its divisors is an integer number (10568160).

Almost surely, 2^72435601 is an apocalyptic number.

It is an amenable number.

72435601 is a deficient number, since it is larger than the sum of its proper divisors (12109679).

72435601 is a wasteful number, since it uses less digits than its factorization.

72435601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220223.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72435601 is about 8510.9107033266. The cubic root of 72435601 is about 416.8540474174.

The spelling of 72435601 in words is "seventy-two million, four hundred thirty-five thousand, six hundred one".