73625009 has 8 divisors (see below), whose sum is σ = 74249472. Its totient is φ = 73003680.

The previous prime is 73624951. The next prime is 73625017. The reversal of 73625009 is 90052637.

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 73625009 - 2²⁰ = 72576433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73625039) 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, 70757 + ... + 71789.

It is an arithmetic number, because the mean of its divisors is an integer number (9281184).

Almost surely, 2^73625009 is an apocalyptic number.

It is an amenable number.

73625009 is a deficient number, since it is larger than the sum of its proper divisors (624463).

73625009 is a wasteful number, since it uses less digits than its factorization.

73625009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 73625009 is about 8580.5016753101. The cubic root of 73625009 is about 419.1232826832.

The spelling of 73625009 in words is "seventy-three million, six hundred twenty-five thousand, nine".