61047678 has 8 divisors (see below), whose sum is σ = 122095368. Its totient is φ = 20349224.

The previous prime is 61047661. The next prime is 61047691. The reversal of 61047678 is 87674016.

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

61047678 is an admirable number.

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, 5087301 + ... + 5087312.

It is an arithmetic number, because the mean of its divisors is an integer number (15261921).

Almost surely, 2^61047678 is an apocalyptic number.

61047678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61047678 is a wasteful number, since it uses less digits than its factorization.

61047678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174618.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 61047678 is about 7813.3013509016. The cubic root of 61047678 is about 393.7522513351.

The spelling of 61047678 in words is "sixty-one million, forty-seven thousand, six hundred seventy-eight".