30530774 has 8 divisors (see below), whose sum is σ = 46861320. Its totient is φ = 14910336.

The previous prime is 30530771. The next prime is 30530813. The reversal of 30530774 is 47703503.

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

It is a super-2 number, since 2×30530774² = 1864256322078152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530771) 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, 177419 + ... + 177590.

It is an arithmetic number, because the mean of its divisors is an integer number (5857665).

Almost surely, 2^30530774 is an apocalyptic number.

30530774 is a deficient number, since it is larger than the sum of its proper divisors (16330546).

30530774 is a wasteful number, since it uses less digits than its factorization.

30530774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355054.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 30530774 is about 5525.4659532025. The cubic root of 30530774 is about 312.5450354295.

The spelling of 30530774 in words is "thirty million, five hundred thirty thousand, seven hundred seventy-four".