30774961 has 4 divisors (see below), whose sum is σ = 35171392. Its totient is φ = 26378532.

The previous prime is 30774959. The next prime is 30774973. The reversal of 30774961 is 16947703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30774961 - 2¹ = 30774959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30774961.

It is not an unprimeable number, because it can be changed into a prime (30774901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198205 + ... + 2198218.

It is an arithmetic number, because the mean of its divisors is an integer number (8792848).

Almost surely, 2^30774961 is an apocalyptic number.

It is an amenable number.

30774961 is a deficient number, since it is larger than the sum of its proper divisors (4396431).

30774961 is an equidigital number, since it uses as much as digits as its factorization.

30774961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396430.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 30774961 is about 5547.5184542280. The cubic root of 30774961 is about 313.3760752266.

The spelling of 30774961 in words is "thirty million, seven hundred seventy-four thousand, nine hundred sixty-one".