47981682 has 36 divisors (see below), whose sum is σ = 120935646. Its totient is φ = 13708800.

The previous prime is 47981641. The next prime is 47981693. The reversal of 47981682 is 28618974.

It can be written as a sum of positive squares in only one way, i.e., 36832761 + 11148921 = 6069^2 + 3339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26319 + ... + 28082.

Almost surely, 2^47981682 is an apocalyptic number.

47981682 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47981682 is an abundant number, since it is smaller than the sum of its proper divisors (72953964).

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

47981682 is a wasteful number, since it uses less digits than its factorization.

47981682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54423 (or 54413 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 47981682 is about 6926.8811163467. The cubic root of 47981682 is about 363.3778821079.

The spelling of 47981682 in words is "forty-seven million, nine hundred eighty-one thousand, six hundred eighty-two".