30700406 has 16 divisors (see below), whose sum is σ = 50424768. Its totient is φ = 13902600.

The previous prime is 30700399. The next prime is 30700421. The reversal of 30700406 is 60400703.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761 + ... + 8691.

It is an arithmetic number, because the mean of its divisors is an integer number (3151548).

Almost surely, 2^30700406 is an apocalyptic number.

30700406 is a deficient number, since it is larger than the sum of its proper divisors (19724362).

30700406 is a wasteful number, since it uses less digits than its factorization.

30700406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30700406 is about 5540.7947083428. The cubic root of 30700406 is about 313.1228103985.

The spelling of 30700406 in words is "thirty million, seven hundred thousand, four hundred six".