30664470 has 32 divisors (see below), whose sum is σ = 73807200. Its totient is φ = 8153600.

The previous prime is 30664427. The next prime is 30664489. The reversal of 30664470 is 7446603.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10756 + ... + 13304.

It is an arithmetic number, because the mean of its divisors is an integer number (2306475).

Almost surely, 2^30664470 is an apocalyptic number.

30664470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30664470 is an abundant number, since it is smaller than the sum of its proper divisors (43142730).

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

30664470 is a wasteful number, since it uses less digits than its factorization.

30664470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 30664470 is about 5537.5509027006. The cubic root of 30664470 is about 313.0005886205. Note that the first 3 decimals are identical.

The spelling of 30664470 in words is "thirty million, six hundred sixty-four thousand, four hundred seventy".