70768136 has 16 divisors (see below), whose sum is σ = 132840000. Its totient is φ = 35344144.

The previous prime is 70768129. The next prime is 70768151. The reversal of 70768136 is 63186707.

It is a self number, because there is not a number n which added to its sum of digits gives 70768136.

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, 3365 + ... + 12363.

It is an arithmetic number, because the mean of its divisors is an integer number (8302500).

Almost surely, 2^70768136 is an apocalyptic number.

It is an amenable number.

70768136 is a deficient number, since it is larger than the sum of its proper divisors (62071864).

70768136 is a wasteful number, since it uses less digits than its factorization.

70768136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988 (or 9984 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70768136 is about 8412.3799248489. The cubic root of 70768136 is about 413.6305291189.

The spelling of 70768136 in words is "seventy million, seven hundred sixty-eight thousand, one hundred thirty-six".