68115654 has 20 divisors (see below), whose sum is σ = 152629884. Its totient is φ = 22705164.

The previous prime is 68115623. The next prime is 68115659. The reversal of 68115654 is 45651186.

It is a super-4 number, since 4×68115654⁴ (a number of 32 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68115659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 210072 + ... + 210395.

Almost surely, 2^68115654 is an apocalyptic number.

68115654 is an abundant number, since it is smaller than the sum of its proper divisors (84514230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68115654 is a wasteful number, since it uses less digits than its factorization.

68115654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420481 (or 420472 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 68115654 is about 8253.2208258352. The cubic root of 68115654 is about 408.3967809595.

The spelling of 68115654 in words is "sixty-eight million, one hundred fifteen thousand, six hundred fifty-four".