18073579 has 8 divisors (see below), whose sum is σ = 19489680. Its totient is φ = 16704000.

The previous prime is 18073553. The next prime is 18073591. The reversal of 18073579 is 97537081.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18073579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18073519) 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, 10822 + ... + 12379.

It is an arithmetic number, because the mean of its divisors is an integer number (2436210).

Almost surely, 2^18073579 is an apocalyptic number.

18073579 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

18073579 is a deficient number, since it is larger than the sum of its proper divisors (1416101).

18073579 is a wasteful number, since it uses less digits than its factorization.

18073579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23261.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 18073579 is about 4251.3032119575. The cubic root of 18073579 is about 262.4307493818.

The spelling of 18073579 in words is "eighteen million, seventy-three thousand, five hundred seventy-nine".