47234340 has 72 divisors (see below), whose sum is σ = 148599360. Its totient is φ = 12594528.

The previous prime is 47234333. The next prime is 47234353. The reversal of 47234340 is 4343274.

47234340 is a nontrivial binomial coefficient, being equal to C(9720, 2).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1 + ... + 9719.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 2^47234340 is an apocalyptic number.

47234340 is the 9719-th triangular number and also the 4860-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47234340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74299680).

47234340 is an abundant number, since it is smaller than the sum of its proper divisors (101365020).

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

47234340 is a wasteful number, since it uses less digits than its factorization.

47234340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9743 (or 9729 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 47234340 is about 6872.7243506487. The cubic root of 47234340 is about 361.4813957127.

It can be divided in two parts, 47234 and 340, that added together give a palindrome (47574).

The spelling of 47234340 in words is "forty-seven million, two hundred thirty-four thousand, three hundred forty".