83307506 has 4 divisors (see below), whose sum is σ = 124961262. Its totient is φ = 41653752.

The previous prime is 83307493. The next prime is 83307529. The reversal of 83307506 is 60570338.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60570338 = 2 ⋅30285169.

It can be written as a sum of positive squares in only one way, i.e., 43099225 + 40208281 = 6565^2 + 6341^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20826875 + ... + 20826878.

Almost surely, 2^83307506 is an apocalyptic number.

83307506 is a deficient number, since it is larger than the sum of its proper divisors (41653756).

83307506 is a wasteful number, since it uses less digits than its factorization.

83307506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41653755.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 83307506 is about 9127.2945608214. The cubic root of 83307506 is about 436.7451031979.

The spelling of 83307506 in words is "eighty-three million, three hundred seven thousand, five hundred six".