47771492 has 12 divisors (see below), whose sum is σ = 84745836. Its totient is φ = 23558400.

The previous prime is 47771473. The next prime is 47771501. The reversal of 47771492 is 29417774.

It can be written as a sum of positive squares in 2 ways, for example, as 29333056 + 18438436 = 5416^2 + 4294^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81509 + ... + 82092.

It is an arithmetic number, because the mean of its divisors is an integer number (7062153).

Almost surely, 2^47771492 is an apocalyptic number.

It is an amenable number.

47771492 is a deficient number, since it is larger than the sum of its proper divisors (36974344).

47771492 is a wasteful number, since it uses less digits than its factorization.

47771492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163678 (or 163676 counting only the distinct ones).

The product of its digits is 98784, while the sum is 41.

The square root of 47771492 is about 6911.6924121376. The cubic root of 47771492 is about 362.8464973893.

The spelling of 47771492 in words is "forty-seven million, seven hundred seventy-one thousand, four hundred ninety-two".