68620825 has 72 divisors (see below), whose sum is σ = 110826240. Its totient is φ = 41731200.

The previous prime is 68620817. The next prime is 68620843. The reversal of 68620825 is 52802686.

It is not a de Polignac number, because 68620825 - 2³ = 68620817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 493606 + ... + 493744.

Almost surely, 2^68620825 is an apocalyptic number.

68620825 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68620825 is a deficient number, since it is larger than the sum of its proper divisors (42205415).

68620825 is a wasteful number, since it uses less digits than its factorization.

68620825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 68620825 is about 8283.7687678979. The cubic root of 68620825 is about 409.4039027435.

The spelling of 68620825 in words is "sixty-eight million, six hundred twenty thousand, eight hundred twenty-five".