75672389 has 16 divisors (see below), whose sum is σ = 88304832. Its totient is φ = 64205568.

The previous prime is 75672367. The next prime is 75672403. The reversal of 75672389 is 98327657.

It is a cyclic number.

It is not a de Polignac number, because 75672389 - 2⁸ = 75672133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75672329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5522 + ... + 13484.

It is an arithmetic number, because the mean of its divisors is an integer number (5519052).

Almost surely, 2^75672389 is an apocalyptic number.

It is an amenable number.

75672389 is a deficient number, since it is larger than the sum of its proper divisors (12632443).

75672389 is a wasteful number, since it uses less digits than its factorization.

75672389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8036.

The product of its digits is 635040, while the sum is 47.

The square root of 75672389 is about 8698.9878146828. The cubic root of 75672389 is about 422.9728403705.

The spelling of 75672389 in words is "seventy-five million, six hundred seventy-two thousand, three hundred eighty-nine".