72960538 has 8 divisors (see below), whose sum is σ = 125075232. Its totient is φ = 31268796.

The previous prime is 72960499. The next prime is 72960539. The reversal of 72960538 is 83506927.

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

It is a super-4 number, since 4×72960538⁴ (a number of 33 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72960538.

It is not an unprimeable number, because it can be changed into a prime (72960539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2605720 + ... + 2605747.

It is an arithmetic number, because the mean of its divisors is an integer number (15634404).

Almost surely, 2^72960538 is an apocalyptic number.

72960538 is a deficient number, since it is larger than the sum of its proper divisors (52114694).

72960538 is a wasteful number, since it uses less digits than its factorization.

72960538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211476.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 72960538 is about 8541.6940942649. The cubic root of 72960538 is about 417.8585978069.

The spelling of 72960538 in words is "seventy-two million, nine hundred sixty thousand, five hundred thirty-eight".