30672469 has 8 divisors (see below), whose sum is σ = 31508568. Its totient is φ = 29840640.

The previous prime is 30672463. The next prime is 30672493. The reversal of 30672469 is 96427603.

It can be written as a sum of positive squares in 4 ways, for example, as 3025 + 30669444 = 55^2 + 5538^2 .

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 30672469 - 2¹⁵ = 30639701 is a prime.

It is a super-2 number, since 2×30672469² = 1881600709111922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30672463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17919 + ... + 19555.

It is an arithmetic number, because the mean of its divisors is an integer number (3938571).

Almost surely, 2^30672469 is an apocalyptic number.

It is an amenable number.

30672469 is a deficient number, since it is larger than the sum of its proper divisors (836099).

30672469 is a wasteful number, since it uses less digits than its factorization.

30672469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 30672469 is about 5538.2731063031. The cubic root of 30672469 is about 313.0278022441.

The spelling of 30672469 in words is "thirty million, six hundred seventy-two thousand, four hundred sixty-nine".