30678041 has 4 divisors (see below), whose sum is σ = 30700800. Its totient is φ = 30655284.

The previous prime is 30678019. The next prime is 30678061. The reversal of 30678041 is 14087603.

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 30678041 - 2¹⁸ = 30415897 is a prime.

It is a super-2 number, since 2×30678041² = 1882284399195362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30677995 and 30678013.

It is not an unprimeable number, because it can be changed into a prime (30678001) 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 3 ways as a sum of consecutive naturals, for example, 9221 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (7675200).

Almost surely, 2^30678041 is an apocalyptic number.

It is an amenable number.

30678041 is a deficient number, since it is larger than the sum of its proper divisors (22759).

30678041 is a wasteful number, since it uses less digits than its factorization.

30678041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22758.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 30678041 is about 5538.7761283518. The cubic root of 30678041 is about 313.0467561069.

The spelling of 30678041 in words is "thirty million, six hundred seventy-eight thousand, forty-one".