72079073 has 8 divisors (see below), whose sum is σ = 78713856. Its totient is φ = 65458000.

The previous prime is 72079057. The next prime is 72079081. The reversal of 72079073 is 37097027.

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 72079073 - 2⁴ = 72079057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72079093) 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, 9815 + ... + 15507.

It is an arithmetic number, because the mean of its divisors is an integer number (9839232).

Almost surely, 2^72079073 is an apocalyptic number.

It is an amenable number.

72079073 is a deficient number, since it is larger than the sum of its proper divisors (6634783).

72079073 is a wasteful number, since it uses less digits than its factorization.

72079073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 72079073 is about 8489.9395168635. The cubic root of 72079073 is about 416.1690037704.

The spelling of 72079073 in words is "seventy-two million, seventy-nine thousand, seventy-three".