72035387 has 4 divisors (see below), whose sum is σ = 72053520. Its totient is φ = 72017256.

The previous prime is 72035357. The next prime is 72035389. The reversal of 72035387 is 78353027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72035387 - 2¹⁸ = 71773243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72035389) 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 3 ways as a sum of consecutive naturals, for example, 248 + ... + 12005.

It is an arithmetic number, because the mean of its divisors is an integer number (18013380).

Almost surely, 2^72035387 is an apocalyptic number.

72035387 is a deficient number, since it is larger than the sum of its proper divisors (18133).

72035387 is a wasteful number, since it uses less digits than its factorization.

72035387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18132.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 72035387 is about 8487.3663170621. The cubic root of 72035387 is about 416.0849089349.

The spelling of 72035387 in words is "seventy-two million, thirty-five thousand, three hundred eighty-seven".