72064495 has 8 divisors (see below), whose sum is σ = 86523840. Its totient is φ = 57620640.

The previous prime is 72064477. The next prime is 72064571. The reversal of 72064495 is 59446027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72064495 - 2⁹ = 72063983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13285 + ... + 17905.

It is an arithmetic number, because the mean of its divisors is an integer number (10815480).

Almost surely, 2^72064495 is an apocalyptic number.

72064495 is a deficient number, since it is larger than the sum of its proper divisors (14459345).

72064495 is a wasteful number, since it uses less digits than its factorization.

72064495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7745.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 72064495 is about 8489.0809278743. The cubic root of 72064495 is about 416.1409451373.

The spelling of 72064495 in words is "seventy-two million, sixty-four thousand, four hundred ninety-five".