73675009 has 4 divisors (see below), whose sum is σ = 74774704. Its totient is φ = 72575316.

The previous prime is 73674977. The next prime is 73675037. The reversal of 73675009 is 90057637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73675009 - 2⁵ = 73674977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73675079) 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, 549747 + ... + 549880.

It is an arithmetic number, because the mean of its divisors is an integer number (18693676).

Almost surely, 2^73675009 is an apocalyptic number.

It is an amenable number.

73675009 is a deficient number, since it is larger than the sum of its proper divisors (1099695).

73675009 is a wasteful number, since it uses less digits than its factorization.

73675009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099694.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 73675009 is about 8583.4147633678. The cubic root of 73675009 is about 419.2181391381.

The spelling of 73675009 in words is "seventy-three million, six hundred seventy-five thousand, nine".