68207516 has 24 divisors (see below), whose sum is σ = 130658304. Its totient is φ = 30962880.

The previous prime is 68207501. The next prime is 68207537. The reversal of 68207516 is 61570286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7580 + ... + 13923.

It is an arithmetic number, because the mean of its divisors is an integer number (5444096).

Almost surely, 2^68207516 is an apocalyptic number.

It is an amenable number.

68207516 is a deficient number, since it is larger than the sum of its proper divisors (62450788).

68207516 is a wasteful number, since it uses less digits than its factorization.

68207516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21581 (or 21579 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 68207516 is about 8258.7841720195. The cubic root of 68207516 is about 408.5802889127.

The spelling of 68207516 in words is "sixty-eight million, two hundred seven thousand, five hundred sixteen".