306673097 has 4 divisors (see below), whose sum is σ = 308126736. Its totient is φ = 305219460.

The previous prime is 306673093. The next prime is 306673109. The reversal of 306673097 is 790376603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 790376603 = 17569 ⋅44987.

It is a cyclic number.

It is not a de Polignac number, because 306673097 - 2² = 306673093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306673093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726503 + ... + 726924.

It is an arithmetic number, because the mean of its divisors is an integer number (77031684).

Almost surely, 2^306673097 is an apocalyptic number.

It is an amenable number.

306673097 is a deficient number, since it is larger than the sum of its proper divisors (1453639).

306673097 is a wasteful number, since it uses less digits than its factorization.

306673097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453638.

The product of its (nonzero) digits is 142884, while the sum is 41.

The square root of 306673097 is about 17512.0843134106. The cubic root of 306673097 is about 674.3601413357.

The spelling of 306673097 in words is "three hundred six million, six hundred seventy-three thousand, ninety-seven".