68704550 has 24 divisors (see below), whose sum is σ = 128049096. Its totient is φ = 27426240.

The previous prime is 68704511. The next prime is 68704577. The reversal of 68704550 is 5540786.

It is a self number, because there is not a number n which added to its sum of digits gives 68704550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31082 + ... + 33218.

It is an arithmetic number, because the mean of its divisors is an integer number (5335379).

Almost surely, 2^68704550 is an apocalyptic number.

68704550 is a deficient number, since it is larger than the sum of its proper divisors (59344546).

68704550 is a wasteful number, since it uses less digits than its factorization.

68704550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2787 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 68704550 is about 8288.8207846472. The cubic root of 68704550 is about 409.5703410926.

The spelling of 68704550 in words is "sixty-eight million, seven hundred four thousand, five hundred fifty".