68913536 has 32 divisors (see below), whose sum is σ = 141008880. Its totient is φ = 33523200.

The previous prime is 68913521. The next prime is 68913547. The reversal of 68913536 is 63531986.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 68913493 and 68913502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540 + ... + 12011.

Almost surely, 2^68913536 is an apocalyptic number.

It is an amenable number.

68913536 is an abundant number, since it is smaller than the sum of its proper divisors (72095344).

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

68913536 is a wasteful number, since it uses less digits than its factorization.

68913536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14602 (or 14590 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 68913536 is about 8301.4177102468. The cubic root of 68913536 is about 409.9851987518.

The spelling of 68913536 in words is "sixty-eight million, nine hundred thirteen thousand, five hundred thirty-six".