68124071790 has 64 divisors (see below), whose sum is σ = 181734477120. Its totient is φ = 18159390720.

The previous prime is 68124071789. The next prime is 68124071791. The reversal of 68124071790 is 9717042186.

It is a happy number.

68124071790 is a `hidden beast` number, since 68 + 12 + 407 + 179 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (68124071789) and next prime (68124071791).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68124071791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669910 + ... + 764870.

It is an arithmetic number, because the mean of its divisors is an integer number (2839601205).

Almost surely, 2^68124071790 is an apocalyptic number.

68124071790 is an abundant number, since it is smaller than the sum of its proper divisors (113610405330).

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

68124071790 is a wasteful number, since it uses less digits than its factorization.

68124071790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97634 (or 97628 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 68124071790 in words is "sixty-eight billion, one hundred twenty-four million, seventy-one thousand, seven hundred ninety".