73375321 has 8 divisors (see below), whose sum is σ = 77316320. Its totient is φ = 69442272.

The previous prime is 73375303. The next prime is 73375333. The reversal of 73375321 is 12357337.

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 73375321 - 2⁷ = 73375193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73370321) 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, 32206 + ... + 34408.

It is an arithmetic number, because the mean of its divisors is an integer number (9664540).

Almost surely, 2^73375321 is an apocalyptic number.

It is an amenable number.

73375321 is a deficient number, since it is larger than the sum of its proper divisors (3940999).

73375321 is a wasteful number, since it uses less digits than its factorization.

73375321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975.

The product of its digits is 13230, while the sum is 31.

The square root of 73375321 is about 8565.9395865252. The cubic root of 73375321 is about 418.6489484835.

The spelling of 73375321 in words is "seventy-three million, three hundred seventy-five thousand, three hundred twenty-one".