68460646 has 4 divisors (see below), whose sum is σ = 102690972. Its totient is φ = 34230322.

The previous prime is 68460599. The next prime is 68460653. The reversal of 68460646 is 64606486.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 68460599 and 68460608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17115160 + ... + 17115163.

It is an arithmetic number, because the mean of its divisors is an integer number (25672743).

Almost surely, 2^68460646 is an apocalyptic number.

68460646 is a deficient number, since it is larger than the sum of its proper divisors (34230326).

68460646 is a wasteful number, since it uses less digits than its factorization.

68460646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34230325.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 68460646 is about 8274.0948749697. The cubic root of 68460646 is about 409.0851025379.

The spelling of 68460646 in words is "sixty-eight million, four hundred sixty thousand, six hundred forty-six".