68629570 has 16 divisors (see below), whose sum is σ = 124050168. Its totient is φ = 27336960.

The previous prime is 68629559. The next prime is 68629571. The reversal of 68629570 is 7592686.

It can be written as a sum of positive squares in 4 ways, for example, as 60109009 + 8520561 = 7753^2 + 2919^2 .

It is not an unprimeable number, because it can be changed into a prime (68629571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11829 + ... + 16648.

Almost surely, 2^68629570 is an apocalyptic number.

68629570 is a deficient number, since it is larger than the sum of its proper divisors (55420598).

68629570 is a wasteful number, since it uses less digits than its factorization.

68629570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28725.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 68629570 is about 8284.2965905380. The cubic root of 68629570 is about 409.4212934071.

The spelling of 68629570 in words is "sixty-eight million, six hundred twenty-nine thousand, five hundred seventy".