68447046 has 16 divisors (see below), whose sum is σ = 136977408. Its totient is φ = 22801800.

The previous prime is 68447033. The next prime is 68447051. The reversal of 68447046 is 64074486.

It is a super-2 number, since 2×68447046² = 9369996212252232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68446995 and 68447013.

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 in 7 ways as a sum of consecutive naturals, for example, 13891 + ... + 18161.

It is an arithmetic number, because the mean of its divisors is an integer number (8561088).

Almost surely, 2^68447046 is an apocalyptic number.

68447046 is an abundant number, since it is smaller than the sum of its proper divisors (68530362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68447046 is a wasteful number, since it uses less digits than its factorization.

68447046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 68447046 is about 8273.2729919905. The cubic root of 68447046 is about 409.0580119091.

The spelling of 68447046 in words is "sixty-eight million, four hundred forty-seven thousand, forty-six".