72345635 has 8 divisors (see below), whose sum is σ = 91384080. Its totient is φ = 54830304.

The previous prime is 72345631. The next prime is 72345641. The reversal of 72345635 is 53654327.

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 72345635 - 2² = 72345631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72345595 and 72345604.

It is not an unprimeable number, because it can be changed into a prime (72345631) 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 7 ways as a sum of consecutive naturals, for example, 380672 + ... + 380861.

It is an arithmetic number, because the mean of its divisors is an integer number (11423010).

Almost surely, 2^72345635 is an apocalyptic number.

72345635 is a deficient number, since it is larger than the sum of its proper divisors (19038445).

72345635 is a wasteful number, since it uses less digits than its factorization.

72345635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761557.

The product of its digits is 75600, while the sum is 35.

The square root of 72345635 is about 8505.6237278638. The cubic root of 72345635 is about 416.6813964571.

The spelling of 72345635 in words is "seventy-two million, three hundred forty-five thousand, six hundred thirty-five".