750750089 has 4 divisors (see below), whose sum is σ = 752710656. Its totient is φ = 748789524.

The previous prime is 750750067. The next prime is 750750101. The reversal of 750750089 is 980057057.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-750750089 is a prime.

It is a super-2 number, since 2×750750089² = 1127251392267015842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (750750019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979709 + ... + 980474.

It is an arithmetic number, because the mean of its divisors is an integer number (188177664).

Almost surely, 2^750750089 is an apocalyptic number.

It is an amenable number.

750750089 is a deficient number, since it is larger than the sum of its proper divisors (1960567).

750750089 is a wasteful number, since it uses less digits than its factorization.

750750089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960566.

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 750750089 is about 27399.8191417389. The cubic root of 750750089 is about 908.8630848678.

The spelling of 750750089 in words is "seven hundred fifty million, seven hundred fifty thousand, eighty-nine".