47245472 has 48 divisors (see below), whose sum is σ = 96140520. Its totient is φ = 22843392.

The previous prime is 47245463. The next prime is 47245483. The reversal of 47245472 is 27454274.

It can be written as a sum of positive squares in 4 ways, for example, as 23078416 + 24167056 = 4804^2 + 4916^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150788 + ... + 151100.

Almost surely, 2^47245472 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 47245472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48070260).

47245472 is an abundant number, since it is smaller than the sum of its proper divisors (48895048).

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

47245472 is a wasteful number, since it uses less digits than its factorization.

47245472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 457 counting only the distinct ones).

The product of its digits is 62720, while the sum is 35.

The square root of 47245472 is about 6873.5341710069. The cubic root of 47245472 is about 361.5097909778.

The spelling of 47245472 in words is "forty-seven million, two hundred forty-five thousand, four hundred seventy-two".