68453665 has 8 divisors (see below), whose sum is σ = 93879360. Its totient is φ = 46939632.

The previous prime is 68453653. The next prime is 68453677. The reversal of 68453665 is 56635486.

It is an interprime number because it is at equal distance from previous prime (68453653) and next prime (68453677).

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 68453665 - 2⁷ = 68453537 is a prime.

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, 977875 + ... + 977944.

It is an arithmetic number, because the mean of its divisors is an integer number (11734920).

Almost surely, 2^68453665 is an apocalyptic number.

It is an amenable number.

68453665 is a deficient number, since it is larger than the sum of its proper divisors (25425695).

68453665 is a wasteful number, since it uses less digits than its factorization.

68453665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955831.

The product of its digits is 518400, while the sum is 43.

The square root of 68453665 is about 8273.6730053828. The cubic root of 68453665 is about 409.0711971273.

The spelling of 68453665 in words is "sixty-eight million, four hundred fifty-three thousand, six hundred sixty-five".