68540588 has 12 divisors (see below), whose sum is σ = 121183272. Its totient is φ = 33916800.

The previous prime is 68540579. The next prime is 68540599. The reversal of 68540588 is 88504586.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 87938 + ... + 88713.

It is an arithmetic number, because the mean of its divisors is an integer number (10098606).

Almost surely, 2^68540588 is an apocalyptic number.

It is an amenable number.

68540588 is a deficient number, since it is larger than the sum of its proper divisors (52642684).

68540588 is a wasteful number, since it uses less digits than its factorization.

68540588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176752 (or 176750 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 68540588 is about 8278.9243262636. The cubic root of 68540588 is about 409.2442711611.

The spelling of 68540588 in words is "sixty-eight million, five hundred forty thousand, five hundred eighty-eight".