68699312 has 40 divisors (see below), whose sum is σ = 153753552. Its totient is φ = 29388800.

The previous prime is 68699311. The next prime is 68699327. The reversal of 68699312 is 21399686.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (68699311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8489 + ... + 14472.

Almost surely, 2^68699312 is an apocalyptic number.

It is an amenable number.

68699312 is an abundant number, since it is smaller than the sum of its proper divisors (85054240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68699312 is a wasteful number, since it uses less digits than its factorization.

68699312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22997 (or 22991 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 68699312 is about 8288.5048108812. The cubic root of 68699312 is about 409.5599323498.

The spelling of 68699312 in words is "sixty-eight million, six hundred ninety-nine thousand, three hundred twelve".