30268071 has 6 divisors (see below), whose sum is σ = 43720560. Its totient is φ = 20178708.

The previous prime is 30268061. The next prime is 30268093. The reversal of 30268071 is 17086203.

It is a de Polignac number, because none of the positive numbers 2^k-30268071 is a prime.

It is a super-2 number, since 2×30268071² = 1832312244122082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30268031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1681551 + ... + 1681568.

It is an arithmetic number, because the mean of its divisors is an integer number (7286760).

Almost surely, 2^30268071 is an apocalyptic number.

30268071 is a deficient number, since it is larger than the sum of its proper divisors (13452489).

30268071 is a wasteful number, since it uses less digits than its factorization.

30268071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363125 (or 3363122 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 30268071 is about 5501.6425729049. The cubic root of 30268071 is about 311.6460174232.

The spelling of 30268071 in words is "thirty million, two hundred sixty-eight thousand, seventy-one".