47772956 has 48 divisors (see below), whose sum is σ = 105262080. Its totient is φ = 18429120.

The previous prime is 47772931. The next prime is 47772983. The reversal of 47772956 is 65927774.

It is a self number, because there is not a number n which added to its sum of digits gives 47772956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32861 + ... + 34283.

It is an arithmetic number, because the mean of its divisors is an integer number (2192960).

Almost surely, 2^47772956 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 47772956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52631040).

47772956 is an abundant number, since it is smaller than the sum of its proper divisors (57489124).

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

47772956 is a wasteful number, since it uses less digits than its factorization.

47772956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1552 counting only the distinct ones).

The product of its digits is 740880, while the sum is 47.

The square root of 47772956 is about 6911.7983188169. The cubic root of 47772956 is about 362.8502039363.

The spelling of 47772956 in words is "forty-seven million, seven hundred seventy-two thousand, nine hundred fifty-six".