67554625 has 8 divisors (see below), whose sum is σ = 84308328. Its totient is φ = 54043600.

The previous prime is 67554623. The next prime is 67554629. The reversal of 67554625 is 52645576.

It can be written as a sum of positive squares in 4 ways, for example, as 1034289 + 66520336 = 1017^2 + 8156^2 .

It is not a de Polignac number, because 67554625 - 2¹ = 67554623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67554623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270094 + ... + 270343.

It is an arithmetic number, because the mean of its divisors is an integer number (10538541).

Almost surely, 2^67554625 is an apocalyptic number.

It is an amenable number.

67554625 is a deficient number, since it is larger than the sum of its proper divisors (16753703).

67554625 is an equidigital number, since it uses as much as digits as its factorization.

67554625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540452 (or 540442 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The square root of 67554625 is about 8219.1620619136. The cubic root of 67554625 is about 407.2724462541.

The spelling of 67554625 in words is "sixty-seven million, five hundred fifty-four thousand, six hundred twenty-five".