68479629 has 16 divisors (see below), whose sum is σ = 96307200. Its totient is φ = 43162416.

The previous prime is 68479613. The next prime is 68479669. The reversal of 68479629 is 92697486.

It is a happy number.

It is not a de Polignac number, because 68479629 - 2⁴ = 68479613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68479669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38052 + ... + 39810.

It is an arithmetic number, because the mean of its divisors is an integer number (6019200).

Almost surely, 2^68479629 is an apocalyptic number.

It is an amenable number.

68479629 is a deficient number, since it is larger than the sum of its proper divisors (27827571).

68479629 is a wasteful number, since it uses less digits than its factorization.

68479629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464.

The product of its digits is 1306368, while the sum is 51.

The square root of 68479629 is about 8275.2419299982. The cubic root of 68479629 is about 409.1229098783.

The spelling of 68479629 in words is "sixty-eight million, four hundred seventy-nine thousand, six hundred twenty-nine".