75887321 has 8 divisors (see below), whose sum is σ = 77155200. Its totient is φ = 74627280.

The previous prime is 75887309. The next prime is 75887341. The reversal of 75887321 is 12378857.

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 75887321 - 2¹⁴ = 75870937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75887341) 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, 19466 + ... + 23036.

It is an arithmetic number, because the mean of its divisors is an integer number (9644400).

Almost surely, 2^75887321 is an apocalyptic number.

It is an amenable number.

75887321 is a deficient number, since it is larger than the sum of its proper divisors (1267879).

75887321 is a wasteful number, since it uses less digits than its factorization.

75887321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919.

The product of its digits is 94080, while the sum is 41.

The square root of 75887321 is about 8711.3329060483. The cubic root of 75887321 is about 423.3729178821.

The spelling of 75887321 in words is "seventy-five million, eight hundred eighty-seven thousand, three hundred twenty-one".