68753155 has 8 divisors (see below), whose sum is σ = 83234592. Its totient is φ = 54515328.

The previous prime is 68753143. The next prime is 68753177. The reversal of 68753155 is 55135786.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68753155 is a prime.

It is a Duffinian 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, 60279 + ... + 61408.

It is an arithmetic number, because the mean of its divisors is an integer number (10404324).

Almost surely, 2^68753155 is an apocalyptic number.

68753155 is a deficient number, since it is larger than the sum of its proper divisors (14481437).

68753155 is a wasteful number, since it uses less digits than its factorization.

68753155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121805.

The product of its digits is 126000, while the sum is 40.

The square root of 68753155 is about 8291.7522273642. The cubic root of 68753155 is about 409.6669017708. Note that the first 3 decimals are identical.

The spelling of 68753155 in words is "sixty-eight million, seven hundred fifty-three thousand, one hundred fifty-five".