30272890 has 32 divisors (see below), whose sum is σ = 57827520. Its totient is φ = 11378304.

The previous prime is 30272857. The next prime is 30272917. The reversal of 30272890 is 9827203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25449 + ... + 26611.

It is an arithmetic number, because the mean of its divisors is an integer number (1807110).

Almost surely, 2^30272890 is an apocalyptic number.

30272890 is a deficient number, since it is larger than the sum of its proper divisors (27554630).

30272890 is a wasteful number, since it uses less digits than its factorization.

30272890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 30272890 is about 5502.0805155868. The cubic root of 30272890 is about 311.6625556697.

The spelling of 30272890 in words is "thirty million, two hundred seventy-two thousand, eight hundred ninety".