30419681 has 8 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 28506688.

The previous prime is 30419671. The next prime is 30419689. The reversal of 30419681 is 18691403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30419681 - 2¹⁴ = 30403297 is a prime.

It is a super-2 number, since 2×30419681² = 1850713984283522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30419689) 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, 320 + ... + 7806.

It is an arithmetic number, because the mean of its divisors is an integer number (4043520).

Almost surely, 2^30419681 is an apocalyptic number.

It is an amenable number.

30419681 is a deficient number, since it is larger than the sum of its proper divisors (1928479).

30419681 is a wasteful number, since it uses less digits than its factorization.

30419681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 30419681 is about 5515.4039743250. The cubic root of 30419681 is about 312.1654865301.

The spelling of 30419681 in words is "thirty million, four hundred nineteen thousand, six hundred eighty-one".