47697812 has 6 divisors (see below), whose sum is σ = 83471178. Its totient is φ = 23848904.

The previous prime is 47697803. The next prime is 47697823. The reversal of 47697812 is 21879674.

It can be written as a sum of positive squares in only one way, i.e., 46840336 + 857476 = 6844^2 + 926^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962223 + ... + 5962230.

It is an arithmetic number, because the mean of its divisors is an integer number (13911863).

Almost surely, 2^47697812 is an apocalyptic number.

It is an amenable number.

47697812 is a deficient number, since it is larger than the sum of its proper divisors (35773366).

47697812 is a wasteful number, since it uses less digits than its factorization.

47697812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11924457 (or 11924455 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 47697812 is about 6906.3602570384. The cubic root of 47697812 is about 362.6598568833.

The spelling of 47697812 in words is "forty-seven million, six hundred ninety-seven thousand, eight hundred twelve".