68918552 has 32 divisors (see below), whose sum is σ = 131604480. Its totient is φ = 33829920.

The previous prime is 68918543. The next prime is 68918569. The reversal of 68918552 is 25581986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179753 + ... + 180135.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^68918552 is an apocalyptic number.

It is an amenable number.

68918552 is a deficient number, since it is larger than the sum of its proper divisors (62685928).

68918552 is a wasteful number, since it uses less digits than its factorization.

68918552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 739 counting only the distinct ones).

The product of its digits is 172800, while the sum is 44.

The square root of 68918552 is about 8301.7198218201. The cubic root of 68918552 is about 409.9951456891.

The spelling of 68918552 in words is "sixty-eight million, nine hundred eighteen thousand, five hundred fifty-two".