75056689 has 4 divisors (see below), whose sum is σ = 75078256. Its totient is φ = 75035124.

The previous prime is 75056687. The next prime is 75056693. The reversal of 75056689 is 98665057.

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 not a de Polignac number, because 75056689 - 2¹ = 75056687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75056687) 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, 4239 + ... + 12964.

It is an arithmetic number, because the mean of its divisors is an integer number (18769564).

Almost surely, 2^75056689 is an apocalyptic number.

It is an amenable number.

75056689 is a deficient number, since it is larger than the sum of its proper divisors (21567).

75056689 is a wasteful number, since it uses less digits than its factorization.

75056689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21566.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 75056689 is about 8663.5263605532. The cubic root of 75056689 is about 421.8225577904.

The spelling of 75056689 in words is "seventy-five million, fifty-six thousand, six hundred eighty-nine".