61674625 has 8 divisors (see below), whose sum is σ = 76970088. Its totient is φ = 49339600.

The previous prime is 61674611. The next prime is 61674643. The reversal of 61674625 is 52647616.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 83521 + 61591104 = 289^2 + 7848^2 .

It is not a de Polignac number, because 61674625 - 2⁷ = 61674497 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246574 + ... + 246823.

It is an arithmetic number, because the mean of its divisors is an integer number (9621261).

Almost surely, 2^61674625 is an apocalyptic number.

It is an amenable number.

61674625 is a deficient number, since it is larger than the sum of its proper divisors (15295463).

61674625 is an equidigital number, since it uses as much as digits as its factorization.

61674625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493412 (or 493402 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 61674625 is about 7853.3193619004. The cubic root of 61674625 is about 395.0955812065.

The spelling of 61674625 in words is "sixty-one million, six hundred seventy-four thousand, six hundred twenty-five".