30704208 has 20 divisors (see below), whose sum is σ = 79319328. Its totient is φ = 10234720.

The previous prime is 30704161. The next prime is 30704221. The reversal of 30704208 is 80240703.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319788 + ... + 319883.

Almost surely, 2^30704208 is an apocalyptic number.

It is an amenable number.

30704208 is an abundant number, since it is smaller than the sum of its proper divisors (48615120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30704208 is a wasteful number, since it uses less digits than its factorization.

30704208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639682 (or 639676 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 30704208 is about 5541.1377892992. The cubic root of 30704208 is about 313.1357357844.

The spelling of 30704208 in words is "thirty million, seven hundred four thousand, two hundred eight".