68906252 has 12 divisors (see below), whose sum is σ = 125828976. Its totient is φ = 32955120.

The previous prime is 68906239. The next prime is 68906303. The reversal of 68906252 is 25260986.

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, 374399 + ... + 374582.

It is an arithmetic number, because the mean of its divisors is an integer number (10485748).

Almost surely, 2^68906252 is an apocalyptic number.

It is an amenable number.

68906252 is a deficient number, since it is larger than the sum of its proper divisors (56922724).

68906252 is a wasteful number, since it uses less digits than its factorization.

68906252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749008 (or 749006 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 68906252 is about 8300.9789784097. The cubic root of 68906252 is about 409.9707534165.

The spelling of 68906252 in words is "sixty-eight million, nine hundred six thousand, two hundred fifty-two".