68063672 has 8 divisors (see below), whose sum is σ = 127619400. Its totient is φ = 34031832.

The previous prime is 68063659. The next prime is 68063687. The reversal of 68063672 is 27636086.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×68063672² = 9265326892247168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4253972 + ... + 4253987.

It is an arithmetic number, because the mean of its divisors is an integer number (15952425).

Almost surely, 2^68063672 is an apocalyptic number.

It is an amenable number.

68063672 is a deficient number, since it is larger than the sum of its proper divisors (59555728).

68063672 is a wasteful number, since it uses less digits than its factorization.

68063672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507965 (or 8507961 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 68063672 is about 8250.0710299973. The cubic root of 68063672 is about 408.2928661086.

The spelling of 68063672 in words is "sixty-eight million, sixty-three thousand, six hundred seventy-two".