30694641 has 4 divisors (see below), whose sum is σ = 40926192. Its totient is φ = 20463092.

The previous prime is 30694637. The next prime is 30694661. The reversal of 30694641 is 14649603.

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 30694641 - 2² = 30694637 is a prime.

It is a super-2 number, since 2×30694641² = 1884321972237762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30694661) 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, 5115771 + ... + 5115776.

It is an arithmetic number, because the mean of its divisors is an integer number (10231548).

Almost surely, 2^30694641 is an apocalyptic number.

It is an amenable number.

30694641 is a deficient number, since it is larger than the sum of its proper divisors (10231551).

30694641 is a wasteful number, since it uses less digits than its factorization.

30694641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10231550.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30694641 is about 5540.2744516856. The cubic root of 30694641 is about 313.1032095067.

The spelling of 30694641 in words is "thirty million, six hundred ninety-four thousand, six hundred forty-one".