68851629 has 48 divisors (see below), whose sum is σ = 125783424. Its totient is φ = 35251200.

The previous prime is 68851619. The next prime is 68851631. The reversal of 68851629 is 92615886.

It is not a de Polignac number, because 68851629 - 2⁴ = 68851613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68851619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49909 + ... + 51269.

It is an arithmetic number, because the mean of its divisors is an integer number (2620488).

Almost surely, 2^68851629 is an apocalyptic number.

It is an amenable number.

68851629 is a deficient number, since it is larger than the sum of its proper divisors (56931795).

68851629 is a wasteful number, since it uses less digits than its factorization.

68851629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1455 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 68851629 is about 8297.6881720151. The cubic root of 68851629 is about 409.8623948291.

The spelling of 68851629 in words is "sixty-eight million, eight hundred fifty-one thousand, six hundred twenty-nine".