68994916 has 12 divisors (see below), whose sum is σ = 121355388. Its totient is φ = 34321952.

The previous prime is 68994907. The next prime is 68994931. The reversal of 68994916 is 61949986.

It can be written as a sum of positive squares in 2 ways, for example, as 35354916 + 33640000 = 5946^2 + 5800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42991 + ... + 44566.

It is an arithmetic number, because the mean of its divisors is an integer number (10112949).

Almost surely, 2^68994916 is an apocalyptic number.

It is an amenable number.

68994916 is a deficient number, since it is larger than the sum of its proper divisors (52360472).

68994916 is a wasteful number, since it uses less digits than its factorization.

68994916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87758 (or 87756 counting only the distinct ones).

The product of its digits is 839808, while the sum is 52.

The square root of 68994916 is about 8306.3178364423. The cubic root of 68994916 is about 410.1465191184.

The spelling of 68994916 in words is "sixty-eight million, nine hundred ninety-four thousand, nine hundred sixteen".