30738963 has 4 divisors (see below), whose sum is σ = 40985288. Its totient is φ = 20492640.

The previous prime is 30738959. The next prime is 30738973. The reversal of 30738963 is 36983703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36983703 = 3 ⋅12327901.

It is not a de Polignac number, because 30738963 - 2² = 30738959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30738943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5123158 + ... + 5123163.

It is an arithmetic number, because the mean of its divisors is an integer number (10246322).

Almost surely, 2^30738963 is an apocalyptic number.

30738963 is a deficient number, since it is larger than the sum of its proper divisors (10246325).

30738963 is a wasteful number, since it uses less digits than its factorization.

30738963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10246324.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 30738963 is about 5544.2729911143. The cubic root of 30738963 is about 313.2538404298.

The spelling of 30738963 in words is "thirty million, seven hundred thirty-eight thousand, nine hundred sixty-three".