75704321 has 8 divisors (see below), whose sum is σ = 94384704. Its totient is φ = 58990320.

The previous prime is 75704311. The next prime is 75704323. The reversal of 75704321 is 12340757.

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 75704321 - 2¹⁰ = 75703297 is a prime.

It is a super-2 number, since 2×75704321² = 11462288436142082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75704323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491510 + ... + 491663.

It is an arithmetic number, because the mean of its divisors is an integer number (11798088).

Almost surely, 2^75704321 is an apocalyptic number.

It is an amenable number.

75704321 is a deficient number, since it is larger than the sum of its proper divisors (18680383).

75704321 is a wasteful number, since it uses less digits than its factorization.

75704321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983191.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 75704321 is about 8700.8230070494. The cubic root of 75704321 is about 423.0323269264.

The spelling of 75704321 in words is "seventy-five million, seven hundred four thousand, three hundred twenty-one".