306742006 has 4 divisors (see below), whose sum is σ = 460113012. Its totient is φ = 153371002.

The previous prime is 306742001. The next prime is 306742063. The reversal of 306742006 is 600247603.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306742001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76685500 + ... + 76685503.

It is an arithmetic number, because the mean of its divisors is an integer number (115028253).

Almost surely, 2^306742006 is an apocalyptic number.

306742006 is a deficient number, since it is larger than the sum of its proper divisors (153371006).

306742006 is a wasteful number, since it uses less digits than its factorization.

306742006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153371005.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 306742006 is about 17514.0516728711. The cubic root of 306742006 is about 674.4106468016.

Adding to 306742006 its reverse (600247603), we get a palindrome (906989609).

The spelling of 306742006 in words is "three hundred six million, seven hundred forty-two thousand, six".