816740312 has 8 divisors (see below), whose sum is σ = 1531388100. Its totient is φ = 408370152.

The previous prime is 816740303. The next prime is 816740341. The reversal of 816740312 is 213047618.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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, 51046262 + ... + 51046277.

Almost surely, 2^816740312 is an apocalyptic number.

It is an amenable number.

816740312 is a deficient number, since it is larger than the sum of its proper divisors (714647788).

816740312 is a wasteful number, since it uses less digits than its factorization.

816740312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102092545 (or 102092541 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 816740312 is about 28578.6688283412. The cubic root of 816740312 is about 934.7482567417.

The spelling of 816740312 in words is "eight hundred sixteen million, seven hundred forty thousand, three hundred twelve".