56734380 has 144 divisors (see below), whose sum is σ = 185159520. Its totient is φ = 14017536.

The previous prime is 56734369. The next prime is 56734387. The reversal of 56734380 is 8343765.

It is a happy number.

56734380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56734387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181104 + ... + 181416.

It is an arithmetic number, because the mean of its divisors is an integer number (1285830).

Almost surely, 2^56734380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56734380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92579760).

56734380 is an abundant number, since it is smaller than the sum of its proper divisors (128425140).

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

56734380 is a wasteful number, since it uses less digits than its factorization.

56734380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 56734380 is about 7532.2227794988. Note that the first 3 decimals coincide. The cubic root of 56734380 is about 384.2513816237.

The spelling of 56734380 in words is "fifty-six million, seven hundred thirty-four thousand, three hundred eighty".