82690307 has 4 divisors (see below), whose sum is σ = 94503216. Its totient is φ = 70877400.

The previous prime is 82690291. The next prime is 82690351. The reversal of 82690307 is 70309628.

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

It is a cyclic number.

It is not a de Polignac number, because 82690307 - 2⁴ = 82690291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82690207) 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, 5906444 + ... + 5906457.

It is an arithmetic number, because the mean of its divisors is an integer number (23625804).

Almost surely, 2^82690307 is an apocalyptic number.

82690307 is a deficient number, since it is larger than the sum of its proper divisors (11812909).

82690307 is a wasteful number, since it uses less digits than its factorization.

82690307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11812908.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 82690307 is about 9093.4210833987. The cubic root of 82690307 is about 435.6638597458.

The spelling of 82690307 in words is "eighty-two million, six hundred ninety thousand, three hundred seven".