60661730 has 32 divisors (see below), whose sum is σ = 114186240. Its totient is φ = 23175360.

The previous prime is 60661717. The next prime is 60661751. The reversal of 60661730 is 3716606.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 60661693 and 60661702.

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 15 ways as a sum of consecutive naturals, for example, 23252 + ... + 25728.

It is an arithmetic number, because the mean of its divisors is an integer number (3568320).

Almost surely, 2^60661730 is an apocalyptic number.

60661730 is a deficient number, since it is larger than the sum of its proper divisors (53524510).

60661730 is a wasteful number, since it uses less digits than its factorization.

60661730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 60661730 is about 7788.5640525067. The cubic root of 60661730 is about 392.9207194392.

The spelling of 60661730 in words is "sixty million, six hundred sixty-one thousand, seven hundred thirty".