68787225 has 108 divisors (see below), whose sum is σ = 140418096. Its totient is φ = 33359040.

The previous prime is 68787209. The next prime is 68787241. The reversal of 68787225 is 52278786.

It is an interprime number because it is at equal distance from previous prime (68787209) and next prime (68787241).

It is not a de Polignac number, because 68787225 - 2⁴ = 68787209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1026642 + ... + 1026708.

Almost surely, 2^68787225 is an apocalyptic number.

68787225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68787225 is an abundant number, since it is smaller than the sum of its proper divisors (71630871).

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

68787225 is a wasteful number, since it uses less digits than its factorization.

68787225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 88 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 68787225 is about 8293.8064240733. The cubic root of 68787225 is about 409.7345594974.

The spelling of 68787225 in words is "sixty-eight million, seven hundred eighty-seven thousand, two hundred twenty-five".