68723670 has 16 divisors (see below), whose sum is σ = 164936880. Its totient is φ = 18326304.

The previous prime is 68723663. The next prime is 68723671. The reversal of 68723670 is 7632786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68723671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145365 + ... + 1145424.

It is an arithmetic number, because the mean of its divisors is an integer number (10308555).

Almost surely, 2^68723670 is an apocalyptic number.

68723670 is an abundant number, since it is smaller than the sum of its proper divisors (96213210).

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

68723670 is a wasteful number, since it uses less digits than its factorization.

68723670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290799.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 68723670 is about 8289.9740650982. The cubic root of 68723670 is about 409.6083310976.

The spelling of 68723670 in words is "sixty-eight million, seven hundred twenty-three thousand, six hundred seventy".