68463029 has 4 divisors (see below), whose sum is σ = 72490284. Its totient is φ = 64435776.

The previous prime is 68463013. The next prime is 68463037. The reversal of 68463029 is 92036486.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36844900 + 31618129 = 6070^2 + 5623^2 .

It is a cyclic number.

It is not a de Polignac number, because 68463029 - 2⁴ = 68463013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68462983 and 68463001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68463049) 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, 2013602 + ... + 2013635.

It is an arithmetic number, because the mean of its divisors is an integer number (18122571).

Almost surely, 2^68463029 is an apocalyptic number.

It is an amenable number.

68463029 is a deficient number, since it is larger than the sum of its proper divisors (4027255).

68463029 is a wasteful number, since it uses less digits than its factorization.

68463029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027254.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 68463029 is about 8274.2388773832. The cubic root of 68463029 is about 409.0898490044.

The spelling of 68463029 in words is "sixty-eight million, four hundred sixty-three thousand, twenty-nine".