47739456 has 70 divisors (see below), whose sum is σ = 141530070. Its totient is φ = 15911424.

The previous prime is 47739397. The next prime is 47739469. The reversal of 47739456 is 65493774.

It can be written as a sum of positive squares in only one way, i.e., 33177600 + 14561856 = 5760^2 + 3816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 580 + ... + 9788.

Almost surely, 2^47739456 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 47739456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70765035).

47739456 is an abundant number, since it is smaller than the sum of its proper divisors (93790614).

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

47739456 is an equidigital number, since it uses as much as digits as its factorization.

47739456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233 (or 9214 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 47739456 is about 6909.3745013568. The cubic root of 47739456 is about 362.7653698570.

The spelling of 47739456 in words is "forty-seven million, seven hundred thirty-nine thousand, four hundred fifty-six".