30775071 has 8 divisors (see below), whose sum is σ = 41215104. Its totient is φ = 20425880.

The previous prime is 30775037. The next prime is 30775091. The reversal of 30775071 is 17057703.

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

It is a cyclic number.

It is not a de Polignac number, because 30775071 - 2⁶ = 30775007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30775001) 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, 21915 + ... + 23276.

It is an arithmetic number, because the mean of its divisors is an integer number (5151888).

Almost surely, 2^30775071 is an apocalyptic number.

30775071 is a deficient number, since it is larger than the sum of its proper divisors (10440033).

30775071 is a wasteful number, since it uses less digits than its factorization.

30775071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45421.

The product of its (nonzero) digits is 5145, while the sum is 30.

The square root of 30775071 is about 5547.5283685620. The cubic root of 30775071 is about 313.3764485964.

The spelling of 30775071 in words is "thirty million, seven hundred seventy-five thousand, seventy-one".