68927225 has 12 divisors (see below), whose sum is σ = 85843836. Its totient is φ = 54900480.

The previous prime is 68927213. The next prime is 68927233. The reversal of 68927225 is 52272986.

68927225 = T₂₉₄ + T₂₉₅ + ... + T₇₅₉.

It can be written as a sum of positive squares in 6 ways, for example, as 53824 + 68873401 = 232^2 + 8299^2 .

It is not a de Polignac number, because 68927225 - 2⁶ = 68927161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92 + ... + 11741.

It is an arithmetic number, because the mean of its divisors is an integer number (7153653).

Almost surely, 2^68927225 is an apocalyptic number.

It is an amenable number.

68927225 is a deficient number, since it is larger than the sum of its proper divisors (16916611).

68927225 is a wasteful number, since it uses less digits than its factorization.

68927225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12076 (or 12071 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 68927225 is about 8302.2421670293. The cubic root of 68927225 is about 410.0123434713.

The spelling of 68927225 in words is "sixty-eight million, nine hundred twenty-seven thousand, two hundred twenty-five".