75019989 has 8 divisors (see below), whose sum is σ = 109120032. Its totient is φ = 45466640.

The previous prime is 75019981. The next prime is 75019991. The reversal of 75019989 is 98991057.

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 75019989 - 2³ = 75019981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75019981) 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, 1136634 + ... + 1136699.

It is an arithmetic number, because the mean of its divisors is an integer number (13640004).

Almost surely, 2^75019989 is an apocalyptic number.

It is an amenable number.

75019989 is a deficient number, since it is larger than the sum of its proper divisors (34100043).

75019989 is a wasteful number, since it uses less digits than its factorization.

75019989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273347.

The product of its (nonzero) digits is 204120, while the sum is 48.

The square root of 75019989 is about 8661.4080264123. The cubic root of 75019989 is about 421.7537946019.

The spelling of 75019989 in words is "seventy-five million, nineteen thousand, nine hundred eighty-nine".