30697641 has 24 divisors (see below), whose sum is σ = 48572160. Its totient is φ = 18566496.

The previous prime is 30697621. The next prime is 30697649. The reversal of 30697641 is 14679603.

30697641 is a `hidden beast` number, since 3 + 0 + 6 + 9 + 7 + 641 = 666.

It is not a de Polignac number, because 30697641 - 2⁵ = 30697609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30697596 and 30697605.

It is not an unprimeable number, because it can be changed into a prime (30697649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4680 + ... + 9126.

It is an arithmetic number, because the mean of its divisors is an integer number (2023840).

Almost surely, 2^30697641 is an apocalyptic number.

It is an amenable number.

30697641 is a deficient number, since it is larger than the sum of its proper divisors (17874519).

30697641 is a wasteful number, since it uses less digits than its factorization.

30697641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 30697641 is about 5540.5451897805. The cubic root of 30697641 is about 313.1134097566.

The spelling of 30697641 in words is "thirty million, six hundred ninety-seven thousand, six hundred forty-one".