61012786 has 8 divisors (see below), whose sum is σ = 93647664. Its totient is φ = 29796900.

The previous prime is 61012769. The next prime is 61012801. The reversal of 61012786 is 68721016.

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

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, 354640 + ... + 354811.

It is an arithmetic number, because the mean of its divisors is an integer number (11705958).

Almost surely, 2^61012786 is an apocalyptic number.

61012786 is a deficient number, since it is larger than the sum of its proper divisors (32634878).

61012786 is a wasteful number, since it uses less digits than its factorization.

61012786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709496.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 61012786 is about 7811.0681727917. The cubic root of 61012786 is about 393.6772202429.

The spelling of 61012786 in words is "sixty-one million, twelve thousand, seven hundred eighty-six".