61980230 has 32 divisors (see below), whose sum is σ = 120615264. Its totient is φ = 22795776.

The previous prime is 61980229. The next prime is 61980241. The reversal of 61980230 is 3208916.

It is a junction number, because it is equal to n+sod(n) for n = 61980193 and 61980202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39134 + ... + 40686.

It is an arithmetic number, because the mean of its divisors is an integer number (3769227).

Almost surely, 2^61980230 is an apocalyptic number.

61980230 is a deficient number, since it is larger than the sum of its proper divisors (58635034).

61980230 is a wasteful number, since it uses less digits than its factorization.

61980230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 61980230 is about 7872.7523776631. The cubic root of 61980230 is about 395.7470879382.

The spelling of 61980230 in words is "sixty-one million, nine hundred eighty thousand, two hundred thirty".