61684966 has 8 divisors (see below), whose sum is σ = 105745680. Its totient is φ = 26436408.

The previous prime is 61684939. The next prime is 61684979. The reversal of 61684966 is 66948616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203021 + ... + 2203048.

It is an arithmetic number, because the mean of its divisors is an integer number (13218210).

Almost surely, 2^61684966 is an apocalyptic number.

61684966 is a deficient number, since it is larger than the sum of its proper divisors (44060714).

61684966 is a wasteful number, since it uses less digits than its factorization.

61684966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406078.

The product of its digits is 373248, while the sum is 46.

The square root of 61684966 is about 7853.9777183285. The cubic root of 61684966 is about 395.1176618979.

The spelling of 61684966 in words is "sixty-one million, six hundred eighty-four thousand, nine hundred sixty-six".