30397071 has 8 divisors (see below), whose sum is σ = 42913584. Its totient is φ = 19072640.

The previous prime is 30397057. The next prime is 30397097. The reversal of 30397071 is 17079303.

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

It is not a de Polignac number, because 30397071 - 2⁹ = 30396559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30397271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297960 + ... + 298061.

It is an arithmetic number, because the mean of its divisors is an integer number (5364198).

Almost surely, 2^30397071 is an apocalyptic number.

30397071 is a deficient number, since it is larger than the sum of its proper divisors (12516513).

30397071 is a wasteful number, since it uses less digits than its factorization.

30397071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596041.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 30397071 is about 5513.3538794458. The cubic root of 30397071 is about 312.0881264043.

The spelling of 30397071 in words is "thirty million, three hundred ninety-seven thousand, seventy-one".