47629944 has 56 divisors (see below), whose sum is σ = 133914360. Its totient is φ = 15874704.

The previous prime is 47629943. The next prime is 47629949. The reversal of 47629944 is 44992674.

It is a super-2 number, since 2×47629944² = 4537223130886272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47629944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47629943) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1749 + ... + 9915.

Almost surely, 2^47629944 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 47629944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66957180).

47629944 is an abundant number, since it is smaller than the sum of its proper divisors (86284416).

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

47629944 is an equidigital number, since it uses as much as digits as its factorization.

47629944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191 (or 8172 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 47629944 is about 6901.4450660713. The cubic root of 47629944 is about 362.4877687510.

It can be divided in two parts, 4762 and 9944, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 47629944 in words is "forty-seven million, six hundred twenty-nine thousand, nine hundred forty-four".