68078070 has 40 divisors (see below), whose sum is σ = 183056544. Its totient is φ = 18153936.

The previous prime is 68078069. The next prime is 68078089. The reversal of 68078070 is 7087086.

It is a happy number.

It is a super-2 number, since 2×68078070² = 9269247229849800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41214 + ... + 42833.

Almost surely, 2^68078070 is an apocalyptic number.

68078070 is an abundant number, since it is smaller than the sum of its proper divisors (114978474).

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

68078070 is a wasteful number, since it uses less digits than its factorization.

68078070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84066 (or 84057 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 68078070 is about 8250.9435824032. The cubic root of 68078070 is about 408.3216537915.

The spelling of 68078070 in words is "sixty-eight million, seventy-eight thousand, seventy".