68738670 has 288 divisors, whose sum is σ = 246486240. Its totient is φ = 13063680.

The previous prime is 68738653. The next prime is 68738689. The reversal of 68738670 is 7683786.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 630576 + ... + 630684.

It is an arithmetic number, because the mean of its divisors is an integer number (855855).

Almost surely, 2^68738670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68738670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123243120).

68738670 is an abundant number, since it is smaller than the sum of its proper divisors (177747570).

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

68738670 is a wasteful number, since it uses less digits than its factorization.

68738670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 68738670 is about 8290.8787230305. The cubic root of 68738670 is about 409.6381300398.

The spelling of 68738670 in words is "sixty-eight million, seven hundred thirty-eight thousand, six hundred seventy".