30320977 has 8 divisors (see below), whose sum is σ = 31258656. Its totient is φ = 29393952.

The previous prime is 30320963. The next prime is 30320981. The reversal of 30320977 is 77902303.

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 30320977 - 2¹¹ = 30318929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318 + ... + 8464.

It is an arithmetic number, because the mean of its divisors is an integer number (3907332).

Almost surely, 2^30320977 is an apocalyptic number.

It is an amenable number.

30320977 is a deficient number, since it is larger than the sum of its proper divisors (937679).

30320977 is a wasteful number, since it uses less digits than its factorization.

30320977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 30320977 is about 5506.4486740548. The cubic root of 30320977 is about 311.8274885958.

The spelling of 30320977 in words is "thirty million, three hundred twenty thousand, nine hundred seventy-seven".