68152741 has 4 divisors (see below), whose sum is σ = 68498892. Its totient is φ = 67806592.

The previous prime is 68152723. The next prime is 68152759. The reversal of 68152741 is 14725186.

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

It is an interprime number because it is at equal distance from previous prime (68152723) and next prime (68152759).

It can be written as a sum of positive squares in 2 ways, for example, as 61952641 + 6200100 = 7871^2 + 2490^2 .

It is a cyclic number.

It is not a de Polignac number, because 68152741 - 2⁵ = 68152709 is a prime.

It is a super-2 number, since 2×68152741² = 9289592211626162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68152697 and 68152706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68122741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172780 + ... + 173173.

It is an arithmetic number, because the mean of its divisors is an integer number (17124723).

Almost surely, 2^68152741 is an apocalyptic number.

It is an amenable number.

68152741 is a deficient number, since it is larger than the sum of its proper divisors (346151).

68152741 is a wasteful number, since it uses less digits than its factorization.

68152741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346150.

The product of its digits is 13440, while the sum is 34.

The square root of 68152741 is about 8255.4673398906. The cubic root of 68152741 is about 408.4708875829.

The spelling of 68152741 in words is "sixty-eight million, one hundred fifty-two thousand, seven hundred forty-one".