30702106 has 4 divisors (see below), whose sum is σ = 46053162. Its totient is φ = 15351052.

The previous prime is 30702103. The next prime is 30702107. The reversal of 30702106 is 60120703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60120703 = 1031 ⋅58313.

It can be written as a sum of positive squares in only one way, i.e., 27657081 + 3045025 = 5259^2 + 1745^2 .

It is not an unprimeable number, because it can be changed into a prime (30702103) by changing a digit.

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, 7675525 + ... + 7675528.

Almost surely, 2^30702106 is an apocalyptic number.

30702106 is a deficient number, since it is larger than the sum of its proper divisors (15351056).

30702106 is a wasteful number, since it uses less digits than its factorization.

30702106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15351055.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 30702106 is about 5540.9481138159. The cubic root of 30702106 is about 313.1285898981.

Adding to 30702106 its reverse (60120703), we get a palindrome (90822809).

The spelling of 30702106 in words is "thirty million, seven hundred two thousand, one hundred six".