75430017 has 12 divisors (see below), whose sum is σ = 117335764. Its totient is φ = 46418400.

The previous prime is 75430009. The next prime is 75430027. The reversal of 75430017 is 71003457.

It can be written as a sum of positive squares in 2 ways, for example, as 9235521 + 66194496 = 3039^2 + 8136^2 .

It is not a de Polignac number, because 75430017 - 2³ = 75430009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75430027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322234 + ... + 322467.

Almost surely, 2^75430017 is an apocalyptic number.

It is an amenable number.

75430017 is a deficient number, since it is larger than the sum of its proper divisors (41905747).

75430017 is a wasteful number, since it uses less digits than its factorization.

75430017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644720 (or 644717 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 75430017 is about 8685.0455957352. The cubic root of 75430017 is about 422.5207757952.

The spelling of 75430017 in words is "seventy-five million, four hundred thirty thousand, seventeen".