47722536 has 96 divisors (see below), whose sum is σ = 138378240. Its totient is φ = 14805504.

The previous prime is 47722523. The next prime is 47722537. The reversal of 47722536 is 63522774.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47722536.

It is not an unprimeable number, because it can be changed into a prime (47722537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155295 + ... + 155601.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^47722536 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 47722536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69189120).

47722536 is an abundant number, since it is smaller than the sum of its proper divisors (90655704).

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

47722536 is a wasteful number, since it uses less digits than its factorization.

47722536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 456 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 47722536 is about 6908.1499694202. The cubic root of 47722536 is about 362.7225072309.

The spelling of 47722536 in words is "forty-seven million, seven hundred twenty-two thousand, five hundred thirty-six".