68611047 has 8 divisors (see below), whose sum is σ = 95458944. Its totient is φ = 43751928.

The previous prime is 68611043. The next prime is 68611051. The reversal of 68611047 is 74011686.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68611043) and next prime (68611051).

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

It is not a de Polignac number, because 68611047 - 2² = 68611043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68610999 and 68611017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68611043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497113 + ... + 497250.

It is an arithmetic number, because the mean of its divisors is an integer number (11932368).

Almost surely, 2^68611047 is an apocalyptic number.

68611047 is a deficient number, since it is larger than the sum of its proper divisors (26847897).

68611047 is a wasteful number, since it uses less digits than its factorization.

68611047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994389.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 68611047 is about 8283.1785565687. The cubic root of 68611047 is about 409.3844560642.

The spelling of 68611047 in words is "sixty-eight million, six hundred eleven thousand, forty-seven".