68947735 has 8 divisors (see below), whose sum is σ = 82848960. Its totient is φ = 55083744.

The previous prime is 68947727. The next prime is 68947759. The reversal of 68947735 is 53774986.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68947735 - 2³ = 68947727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055 + ... + 12784.

It is an arithmetic number, because the mean of its divisors is an integer number (10356120).

Almost surely, 2^68947735 is an apocalyptic number.

68947735 is a deficient number, since it is larger than the sum of its proper divisors (13901225).

68947735 is a wasteful number, since it uses less digits than its factorization.

68947735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18617.

The product of its digits is 1270080, while the sum is 49.

The square root of 68947735 is about 8303.4772836445. The cubic root of 68947735 is about 410.0530072255.

The spelling of 68947735 in words is "sixty-eight million, nine hundred forty-seven thousand, seven hundred thirty-five".