47143340 has 12 divisors (see below), whose sum is σ = 99001056. Its totient is φ = 18857328.

The previous prime is 47143321. The next prime is 47143367. The reversal of 47143340 is 4334174.

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, 1178564 + ... + 1178603.

It is an arithmetic number, because the mean of its divisors is an integer number (8250088).

Almost surely, 2^47143340 is an apocalyptic number.

It is an amenable number.

47143340 is an abundant number, since it is smaller than the sum of its proper divisors (51857716).

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

47143340 is a wasteful number, since it uses less digits than its factorization.

47143340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357176 (or 2357174 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 47143340 is about 6866.1007857444. The cubic root of 47143340 is about 361.2491074079.

The spelling of 47143340 in words is "forty-seven million, one hundred forty-three thousand, three hundred forty".