47951736 has 64 divisors (see below), whose sum is σ = 138777600. Its totient is φ = 13523328.

The previous prime is 47951689. The next prime is 47951737. The reversal of 47951736 is 63715974.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47951737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11466 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (2168400).

Almost surely, 2^47951736 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 47951736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69388800).

47951736 is an abundant number, since it is smaller than the sum of its proper divisors (90825864).

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

47951736 is a wasteful number, since it uses less digits than its factorization.

47951736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708 (or 3704 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 47951736 is about 6924.7192000831. The cubic root of 47951736 is about 363.3022700673.

The spelling of 47951736 in words is "forty-seven million, nine hundred fifty-one thousand, seven hundred thirty-six".