68604616 has 8 divisors (see below), whose sum is σ = 128633670. Its totient is φ = 34302304.

The previous prime is 68604593. The next prime is 68604647. The reversal of 68604616 is 61640686.

It can be written as a sum of positive squares in only one way, i.e., 68128516 + 476100 = 8254^2 + 690^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4287781 + ... + 4287796.

Almost surely, 2^68604616 is an apocalyptic number.

It is an amenable number.

68604616 is a deficient number, since it is larger than the sum of its proper divisors (60029054).

68604616 is a wasteful number, since it uses less digits than its factorization.

68604616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575583 (or 8575579 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 68604616 is about 8282.7903510834. The cubic root of 68604616 is about 409.3716649574.

It can be divided in two parts, 6860 and 4616, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 68604616 in words is "sixty-eight million, six hundred four thousand, six hundred sixteen".