56706078 has 128 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 14676480.

The previous prime is 56706061. The next prime is 56706079. The reversal of 56706078 is 87060765.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56706079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1069900 + ... + 1069952.

It is an arithmetic number, because the mean of its divisors is an integer number (1122660).

Almost surely, 2^56706078 is an apocalyptic number.

56706078 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56706078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71850240).

56706078 is an abundant number, since it is smaller than the sum of its proper divisors (86994402).

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

56706078 is a wasteful number, since it uses less digits than its factorization.

56706078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 56706078 is about 7530.3438168519. The cubic root of 56706078 is about 384.1874762724.

The spelling of 56706078 in words is "fifty-six million, seven hundred six thousand, seventy-eight".