68500629 has 12 divisors (see below), whose sum is σ = 99017100. Its totient is φ = 45633984.

The previous prime is 68500577. The next prime is 68500631. The reversal of 68500629 is 92600586.

It can be written as a sum of positive squares in 2 ways, for example, as 56927025 + 11573604 = 7545^2 + 3402^2 .

It is not a de Polignac number, because 68500629 - 2⁷ = 68500501 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68500593 and 68500602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68500129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23167 + ... + 25955.

It is an arithmetic number, because the mean of its divisors is an integer number (8251425).

Almost surely, 2^68500629 is an apocalyptic number.

It is an amenable number.

68500629 is a deficient number, since it is larger than the sum of its proper divisors (30516471).

68500629 is a wasteful number, since it uses less digits than its factorization.

68500629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524 (or 5521 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 68500629 is about 8276.5106778159. The cubic root of 68500629 is about 409.1647262216.

It can be divided in two parts, 685006 and 29, that added together give a triangular number (685035 = T₁₁₇₀).

The spelling of 68500629 in words is "sixty-eight million, five hundred thousand, six hundred twenty-nine".