68615000 has 40 divisors (see below), whose sum is σ = 160776660. Its totient is φ = 27444000.

The previous prime is 68614999. The next prime is 68615083. The reversal of 68615000 is 51686.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1862 + ... + 11861.

Almost surely, 2^68615000 is an apocalyptic number.

It is an amenable number.

68615000 is an abundant number, since it is smaller than the sum of its proper divisors (92161660).

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

68615000 is a wasteful number, since it uses less digits than its factorization.

68615000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13749 (or 13730 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 68615000 is about 8283.4171692605. The cubic root of 68615000 is about 409.3923180911.

Adding to 68615000 its reverse (51686), we get a palindrome (68666686).

The spelling of 68615000 in words is "sixty-eight million, six hundred fifteen thousand".