30645332 has 6 divisors (see below), whose sum is σ = 53629338. Its totient is φ = 15322664.

The previous prime is 30645313. The next prime is 30645371. The reversal of 30645332 is 23354603.

It can be written as a sum of positive squares in only one way, i.e., 19044496 + 11600836 = 4364^2 + 3406^2 .

It is a congruent number.

It is an unprimeable number.

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, 3830663 + ... + 3830670.

It is an arithmetic number, because the mean of its divisors is an integer number (8938223).

Almost surely, 2^30645332 is an apocalyptic number.

It is an amenable number.

30645332 is a deficient number, since it is larger than the sum of its proper divisors (22984006).

30645332 is a wasteful number, since it uses less digits than its factorization.

30645332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661337 (or 7661335 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 30645332 is about 5535.8226127650. The cubic root of 30645332 is about 312.9354594783.

Adding to 30645332 its reverse (23354603), we get a palindrome (53999935).

The spelling of 30645332 in words is "thirty million, six hundred forty-five thousand, three hundred thirty-two".