75112689 has 8 divisors (see below), whose sum is σ = 100356192. Its totient is φ = 49972160.

The previous prime is 75112673. The next prime is 75112691. The reversal of 75112689 is 98621157.

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 75112689 - 2⁴ = 75112673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75112669) 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, 24024 + ... + 26969.

It is an arithmetic number, because the mean of its divisors is an integer number (12544524).

Almost surely, 2^75112689 is an apocalyptic number.

It is an amenable number.

75112689 is a deficient number, since it is larger than the sum of its proper divisors (25243503).

75112689 is a wasteful number, since it uses less digits than its factorization.

75112689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51487.

The product of its digits is 30240, while the sum is 39.

The square root of 75112689 is about 8666.7576982399. The cubic root of 75112689 is about 421.9274393635.

The spelling of 75112689 in words is "seventy-five million, one hundred twelve thousand, six hundred eighty-nine".