47820734 has 16 divisors (see below), whose sum is σ = 78708672. Its totient is φ = 21654048.

The previous prime is 47820733. The next prime is 47820757. The reversal of 47820734 is 43702874.

It is a junction number, because it is equal to n+sod(n) for n = 47820694 and 47820703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47820733) 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, 15974 + ... + 18729.

It is an arithmetic number, because the mean of its divisors is an integer number (4919292).

Almost surely, 2^47820734 is an apocalyptic number.

47820734 is a deficient number, since it is larger than the sum of its proper divisors (30887938).

47820734 is a wasteful number, since it uses less digits than its factorization.

47820734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34771.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 47820734 is about 6915.2537191342. The cubic root of 47820734 is about 362.9711264717.

It can be divided in two parts, 478 and 20734, that added together give a palindrome (21212).

The spelling of 47820734 in words is "forty-seven million, eight hundred twenty thousand, seven hundred thirty-four".