72067065 has 16 divisors (see below), whose sum is σ = 131779968. Its totient is φ = 32944896.

The previous prime is 72067043. The next prime is 72067067. The reversal of 72067065 is 56076027.

It is not a de Polignac number, because 72067065 - 2⁸ = 72066809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72067067) 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, 343072 + ... + 343281.

It is an arithmetic number, because the mean of its divisors is an integer number (8236248).

Almost surely, 2^72067065 is an apocalyptic number.

It is an amenable number.

72067065 is a deficient number, since it is larger than the sum of its proper divisors (59712903).

72067065 is a wasteful number, since it uses less digits than its factorization.

72067065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686368.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 72067065 is about 8489.2322974460. The cubic root of 72067065 is about 416.1458919538.

The spelling of 72067065 in words is "seventy-two million, sixty-seven thousand, sixty-five".