30081694 has 8 divisors (see below), whose sum is σ = 45740880. Its totient is φ = 14834736.

The previous prime is 30081691. The next prime is 30081697. The reversal of 30081694 is 49618003.

It is an interprime number because it is at equal distance from previous prime (30081691) and next prime (30081697).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30081691) 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, 102874 + ... + 103165.

It is an arithmetic number, because the mean of its divisors is an integer number (5717610).

Almost surely, 2^30081694 is an apocalyptic number.

30081694 is a deficient number, since it is larger than the sum of its proper divisors (15659186).

30081694 is a wasteful number, since it uses less digits than its factorization.

30081694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206114.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 30081694 is about 5484.6781127063. The cubic root of 30081694 is about 311.0050419119.

Adding to 30081694 its reverse (49618003), we get a palindrome (79699697).

The spelling of 30081694 in words is "thirty million, eighty-one thousand, six hundred ninety-four".