68497742 has 8 divisors (see below), whose sum is σ = 103984776. Its totient is φ = 33836152.

The previous prime is 68497733. The next prime is 68497763. The reversal of 68497742 is 24779486.

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

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 3 ways as a sum of consecutive naturals, for example, 206153 + ... + 206484.

It is an arithmetic number, because the mean of its divisors is an integer number (12998097).

Almost surely, 2^68497742 is an apocalyptic number.

68497742 is a deficient number, since it is larger than the sum of its proper divisors (35487034).

68497742 is a wasteful number, since it uses less digits than its factorization.

68497742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412722.

The product of its digits is 677376, while the sum is 47.

The square root of 68497742 is about 8276.3362667306. The cubic root of 68497742 is about 409.1589779768.

The spelling of 68497742 in words is "sixty-eight million, four hundred ninety-seven thousand, seven hundred forty-two".