68671634 has 16 divisors (see below), whose sum is σ = 108138240. Its totient is φ = 32663280.

The previous prime is 68671633. The next prime is 68671657. The reversal of 68671634 is 43617686.

It is a junction number, because it is equal to n+sod(n) for n = 68671591 and 68671600.

It is not an unprimeable number, because it can be changed into a prime (68671633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5729 + ... + 13044.

It is an arithmetic number, because the mean of its divisors is an integer number (6758640).

Almost surely, 2^68671634 is an apocalyptic number.

68671634 is a deficient number, since it is larger than the sum of its proper divisors (39466606).

68671634 is a wasteful number, since it uses less digits than its factorization.

68671634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18865.

The product of its digits is 145152, while the sum is 41.

The square root of 68671634 is about 8286.8349808597. The cubic root of 68671634 is about 409.5049229561.

The spelling of 68671634 in words is "sixty-eight million, six hundred seventy-one thousand, six hundred thirty-four".