72079545 has 8 divisors (see below), whose sum is σ = 115327296. Its totient is φ = 38442416.

The previous prime is 72079531. The next prime is 72079547. The reversal of 72079545 is 54597027.

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

It is a cyclic number.

It is not a de Polignac number, because 72079545 - 2¹¹ = 72077497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72079547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2402637 + ... + 2402666.

It is an arithmetic number, because the mean of its divisors is an integer number (14415912).

Almost surely, 2^72079545 is an apocalyptic number.

It is an amenable number.

72079545 is a deficient number, since it is larger than the sum of its proper divisors (43247751).

72079545 is a wasteful number, since it uses less digits than its factorization.

72079545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805311.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 72079545 is about 8489.9673144247. The cubic root of 72079545 is about 416.1699121771.

The spelling of 72079545 in words is "seventy-two million, seventy-nine thousand, five hundred forty-five".