72067064 has 16 divisors (see below), whose sum is σ = 139485120. Its totient is φ = 34871040.

The previous prime is 72067043. The next prime is 72067067. The reversal of 72067064 is 46076027.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72067064.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 145049 + ... + 145544.

It is an arithmetic number, because the mean of its divisors is an integer number (8717820).

Almost surely, 2^72067064 is an apocalyptic number.

It is an amenable number.

72067064 is a deficient number, since it is larger than the sum of its proper divisors (67418056).

72067064 is a wasteful number, since it uses less digits than its factorization.

72067064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290630 (or 290626 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 72067064 is about 8489.2322385478. The cubic root of 72067064 is about 416.1458900290.

The spelling of 72067064 in words is "seventy-two million, sixty-seven thousand, sixty-four".