68779036 has 6 divisors (see below), whose sum is σ = 120363320. Its totient is φ = 34389516.

The previous prime is 68779027. The next prime is 68779043. The reversal of 68779036 is 63097786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8597376 + ... + 8597383.

Almost surely, 2^68779036 is an apocalyptic number.

It is an amenable number.

68779036 is a deficient number, since it is larger than the sum of its proper divisors (51584284).

68779036 is a wasteful number, since it uses less digits than its factorization.

68779036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17194763 (or 17194761 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 68779036 is about 8293.3127277343. The cubic root of 68779036 is about 409.7182994556.

The spelling of 68779036 in words is "sixty-eight million, seven hundred seventy-nine thousand, thirty-six".