73345579 has 4 divisors (see below), whose sum is σ = 74057776. Its totient is φ = 72633384.

The previous prime is 73345543. The next prime is 73345621. The reversal of 73345579 is 97554337.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73345579 - 2¹⁷ = 73214507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73346579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355944 + ... + 356149.

It is an arithmetic number, because the mean of its divisors is an integer number (18514444).

Almost surely, 2^73345579 is an apocalyptic number.

73345579 is a deficient number, since it is larger than the sum of its proper divisors (712197).

73345579 is a wasteful number, since it uses less digits than its factorization.

73345579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712196.

The product of its digits is 396900, while the sum is 43.

The square root of 73345579 is about 8564.2033488235. The cubic root of 73345579 is about 418.5923756940.

The spelling of 73345579 in words is "seventy-three million, three hundred forty-five thousand, five hundred seventy-nine".