61878230 has 16 divisors (see below), whose sum is σ = 111674160. Its totient is φ = 24686112.

The previous prime is 61878227. The next prime is 61878241. The reversal of 61878230 is 3287816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4064 + ... + 11843.

It is an arithmetic number, because the mean of its divisors is an integer number (6979635).

Almost surely, 2^61878230 is an apocalyptic number.

61878230 is a deficient number, since it is larger than the sum of its proper divisors (49795930).

61878230 is a wasteful number, since it uses less digits than its factorization.

61878230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16303.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 61878230 is about 7866.2716708743. The cubic root of 61878230 is about 395.5298769200.

The spelling of 61878230 in words is "sixty-one million, eight hundred seventy-eight thousand, two hundred thirty".