68537870 has 8 divisors (see below), whose sum is σ = 123368184. Its totient is φ = 27415144.

The previous prime is 68537857. The next prime is 68537927. The reversal of 68537870 is 7873586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 3426884 + ... + 3426903.

It is an arithmetic number, because the mean of its divisors is an integer number (15421023).

Almost surely, 2^68537870 is an apocalyptic number.

68537870 is a deficient number, since it is larger than the sum of its proper divisors (54830314).

68537870 is a wasteful number, since it uses less digits than its factorization.

68537870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853794.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 68537870 is about 8278.7601728761. The cubic root of 68537870 is about 409.2388615167.

The spelling of 68537870 in words is "sixty-eight million, five hundred thirty-seven thousand, eight hundred seventy".