30875469 has 4 divisors (see below), whose sum is σ = 41167296. Its totient is φ = 20583644.

The previous prime is 30875443. The next prime is 30875497. The reversal of 30875469 is 96457803.

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 not a de Polignac number, because 30875469 - 2¹¹ = 30873421 is a prime.

It is a super-2 number, since 2×30875469² = 1906589171939922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30875469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30875069) 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, 5145909 + ... + 5145914.

It is an arithmetic number, because the mean of its divisors is an integer number (10291824).

Almost surely, 2^30875469 is an apocalyptic number.

It is an amenable number.

30875469 is a deficient number, since it is larger than the sum of its proper divisors (10291827).

30875469 is a wasteful number, since it uses less digits than its factorization.

30875469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10291826.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 30875469 is about 5556.5698951781. The cubic root of 30875469 is about 313.7168563371.

The spelling of 30875469 in words is "thirty million, eight hundred seventy-five thousand, four hundred sixty-nine".