30164457 has 32 divisors (see below), whose sum is σ = 44830720. Its totient is φ = 17962560.

The previous prime is 30164447. The next prime is 30164461. The reversal of 30164457 is 75446103.

It is not a de Polignac number, because 30164457 - 2¹⁰ = 30163433 is a prime.

It is a super-2 number, since 2×30164457² = 1819788932209698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30164417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75783 + ... + 76179.

It is an arithmetic number, because the mean of its divisors is an integer number (1400960).

Almost surely, 2^30164457 is an apocalyptic number.

It is an amenable number.

30164457 is a deficient number, since it is larger than the sum of its proper divisors (14666263).

30164457 is a wasteful number, since it uses less digits than its factorization.

30164457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30164457 is about 5492.2178580242. The cubic root of 30164457 is about 311.2900008267.

The spelling of 30164457 in words is "thirty million, one hundred sixty-four thousand, four hundred fifty-seven".