47734281 has 45 divisors (see below), whose sum is σ = 82184141. Its totient is φ = 26696376.

The previous prime is 47734259. The next prime is 47734301. The reversal of 47734281 is 18243774.

It is a happy number.

The square root of 47734281 is 6909.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 47734281 - 2⁷ = 47734153 is a prime.

It is a super-2 number, since 2×47734281² = 4557123165173922, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (37632) is a multiple of the sum of its prime factors (128).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47734201) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1015600 + ... + 1015646.

Almost surely, 2^47734281 is an apocalyptic number.

47734281 is the 6909-th square number.

47734281 is the 3455-th centered octagonal number.

It is an amenable number.

47734281 is a deficient number, since it is larger than the sum of its proper divisors (34449860).

47734281 is an frugal number, since it uses more digits than its factorization.

47734281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 57 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The cubic root of 47734281 is about 362.7522613524.

Multiplying 47734281 by its sum of digits (36), we get a square (1718434116 = 41454²).

The spelling of 47734281 in words is "forty-seven million, seven hundred thirty-four thousand, two hundred eighty-one".