72016735 has 16 divisors (see below), whose sum is σ = 99219456. Its totient is φ = 49156128.

The previous prime is 72016729. The next prime is 72016739. The reversal of 72016735 is 53761027.

It is not a de Polignac number, because 72016735 - 2¹¹ = 72014687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72016697 and 72016706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72016739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3192 + ... + 12418.

It is an arithmetic number, because the mean of its divisors is an integer number (6201216).

Almost surely, 2^72016735 is an apocalyptic number.

72016735 is a deficient number, since it is larger than the sum of its proper divisors (27202721).

72016735 is a wasteful number, since it uses less digits than its factorization.

72016735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 72016735 is about 8486.2674362761. The cubic root of 72016735 is about 416.0489937827.

The spelling of 72016735 in words is "seventy-two million, sixteen thousand, seven hundred thirty-five".