30302774 has 4 divisors (see below), whose sum is σ = 45454164. Its totient is φ = 15151386.

The previous prime is 30302771. The next prime is 30302821. The reversal of 30302774 is 47720303.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×30302774² = 1836516224190152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302771) 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 as a sum of consecutive naturals, namely, 7575692 + ... + 7575695.

It is an arithmetic number, because the mean of its divisors is an integer number (11363541).

Almost surely, 2^30302774 is an apocalyptic number.

30302774 is a deficient number, since it is larger than the sum of its proper divisors (15151390).

30302774 is a wasteful number, since it uses less digits than its factorization.

30302774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15151389.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 30302774 is about 5504.7955457038. The cubic root of 30302774 is about 311.7650749072.

The spelling of 30302774 in words is "thirty million, three hundred two thousand, seven hundred seventy-four".