68624776 has 16 divisors (see below), whose sum is σ = 140369040. Its totient is φ = 31193040.

The previous prime is 68624761. The next prime is 68624779. The reversal of 68624776 is 67742686.

It is not an unprimeable number, because it can be changed into a prime (68624779) 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, 389826 + ... + 390001.

It is an arithmetic number, because the mean of its divisors is an integer number (8773065).

Almost surely, 2^68624776 is an apocalyptic number.

It is an amenable number.

68624776 is an abundant number, since it is smaller than the sum of its proper divisors (71744264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68624776 is a wasteful number, since it uses less digits than its factorization.

68624776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779844 (or 779840 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 68624776 is about 8284.0072428747. The cubic root of 68624776 is about 409.4117600461.

The spelling of 68624776 in words is "sixty-eight million, six hundred twenty-four thousand, seven hundred seventy-six".