68634028 has 24 divisors (see below), whose sum is σ = 123585840. Its totient is φ = 33337920.

The previous prime is 68634011. The next prime is 68634073. The reversal of 68634028 is 82043686.

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, 18558 + ... + 21946.

It is an arithmetic number, because the mean of its divisors is an integer number (5149410).

Almost surely, 2^68634028 is an apocalyptic number.

It is an amenable number.

68634028 is a deficient number, since it is larger than the sum of its proper divisors (54951812).

68634028 is a wasteful number, since it uses less digits than its factorization.

68634028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 68634028 is about 8284.5656494472. The cubic root of 68634028 is about 409.4301581992.

The spelling of 68634028 in words is "sixty-eight million, six hundred thirty-four thousand, twenty-eight".