68771516 has 48 divisors (see below), whose sum is σ = 136937472. Its totient is φ = 29937600.

The previous prime is 68771513. The next prime is 68771531. The reversal of 68771516 is 61517786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68771513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173030 + ... + 173426.

It is an arithmetic number, because the mean of its divisors is an integer number (2852864).

Almost surely, 2^68771516 is an apocalyptic number.

It is an amenable number.

68771516 is a deficient number, since it is larger than the sum of its proper divisors (68165956).

68771516 is a wasteful number, since it uses less digits than its factorization.

68771516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 568 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The square root of 68771516 is about 8292.8593380088. The cubic root of 68771516 is about 409.7033666404.

The spelling of 68771516 in words is "sixty-eight million, seven hundred seventy-one thousand, five hundred sixteen".